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APPENDIX E
VISSIM Analysis
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APEX DESIGN, PC
TO: East Yale Avenue Corridor Study Team
FROM: Apex Design
DATE: February 10, 2021
RE: VISSIM Traffic Results Memo
Purpose
The purpose of this memo is to summarize the micro-simulation traffic operational analysis that was performed in support of the East Yale Avenue Corridor Study. The overall project purpose is to study the East Yale Avenue Corridor from Downing Street to the High Line Canal trail connection to create a package of projects that puts people first.
Analysis Area
The area to be analyzed consisted of the offset intersection of East Yale Avenue and Colorado Boulevard, the intersection of East Yale Avenue / 4100 East Yale Avenue, and the intersection of Colorado Boulevard / East Amherst Avenue. The study area that will be evaluated is shown in Figure 1.
Software Packages
The traffic analysis was performed using VISSIM micro-simulation software. VISSIM was chosen for the analysis because it allows for accurate modeling of general, transit, pedestrian, and bicycle operations within an entire network. This is useful for analysis of an intersection with multimodal demand such as the existing condition at the East Yale Avenue / Colorado Boulevard intersection.
Existing Conditions Models
The first two key steps in the VISSIM modeling methodology involve coding and then calibrating the Existing Conditions Models. For this study, the Existing Conditions Models reflect the current lane geometry within the study area. The Existing Conditions Models does not include the recent addition of the northbound left turn arrow at East Yale Avenue / Colorado Avenue and will be included in the Alternative Models. The VISSIM Existing Conditions Models include both an AM and PM peak hour model. Table 1 outlines the data that will be used in order to code and calibrate the Existing Conditions Models.
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Figure 1: Study Area
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Once the initial coding of the base model was completed, measures of effectiveness (MOEs) were extracted and compared to the available existing field data to determine if they were within acceptable levels. The MOEs reviewed during the calibration process included general, transit, pedestrian, and bicycle volumes. In addition, local knowledge of the corridor by individual consultant team members and project team partners was used to validate the accuracy of VISSIM model outputs. To account for variability in the model and obtain more statistically accurate
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results, a total of 15 model runs were performed for each simulation model and averaged. If large discrepancies were found, the model parameters were adjusted through an iterative process to obtain acceptable results. This calibration step is critical to ensure that the VISSIM models reflect field conditions in the study area and provide accurate results of the proposed changes.
Table 1: Data Summary
Data Category Data Source
Turning Movement Counts
Turning movements were provided by Parsons. Two separate data collection efforts were completed. East Yale Avenue and Colorado Boulevard was collected pre-COVID-19 in January 2020. The intersection of East Yale Avenue / 4100 East Yale Avenue and the intersection of Colorado Boulevard / East Amherst Avenue were collected in October 2020. COVID-19 adjustments were made to these two intersections based on the adjacent pre-COVID-19 counts. Raw data collection is provided in Attachment A.
Travel Times Travel times were not used for the calibration of the models due to COVID-19; however, travel times were utilized for comparison of Existing Conditions models and the Alternative models.
Queue Length Observations
Queue lengths along the corridor could not be collected due the impacts of COVID-19. Local knowledge of the corridor by individual consultant team members and project team partners was used to validate the accuracy of VISSIM model outputs.
Transit Routes Existing transit routes and stops were coded into the models based on current posted schedules. Services available along the corridors include and the routes are shown in Figure 2:
o Route 40 o Route 46
Signal Timing Existing signal timing for the intersections of East Yale Avenue and Colorado Boulevard, the intersection of East Yale Avenue / 4100 East Yale Avenue, and the intersection of Colorado Boulevard / East Amherst Avenue was provided by the City and County of Denver for Existing Conditions models. Modified signal timings were utilized for the Alternative models and the changes are discussed in this memorandum.
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Figure 2: Transit Routes
Results of Existing Conditions VISSIM Operational Analysis
The detailed results of the VISSIM operational analysis are shown in Attachment B and include a summary of intersection operations for the four intersections included in the VISSIM analysis.
Table 2 shows the overall intersection level of service (LOS) at each of these intersections based on the VISSIM analysis outputs and validated with local knowledge of the corridor by the consultant team members. Each intersection overall operates at LOS D or better for both the AM peak hour and PM peak hour.
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The AM peak hour travel pattern is eastbound along Yale Avenue through the offset intersection with Colorado Boulevard. The morning travel pattern causes high demands for the eastbound left turn at the Colorado Boulevard South and northbound right turn at Colorado Boulevard North. The PM peak hour travel pattern is westbound along Yale Avenue through the offset intersection with Colorado Boulevard. The evening travel pattern causes high demands for the westbound left turn at the Colorado Boulevard North and southbound right turn at Colorado Boulevard South.
In the AM peak hour, eastbound left turn at Colorado Boulevard South is a LOS E and the reverse PM peak hour movement of the westbound left turn at Colorado Boulevard North is a LOS F.
The northbound left turn at Yale Avenue / Colorado Boulevard South was evaluated with permitted left turn operations for Existing Conditions models and operations in the PM peak hour operates at a very poor LOS F.
Table 2: VISSIM Existing Conditions– Intersection LOS
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VISSIM Alternative Operational Analysis
Once the VISSIM Existing Conditions Models were coded, these were modified to create the Existing Alternative Model. Volumes used for alternative model were the same existing Year 2020 volumes with the same COVID-19 adjustments completed at intersections of East Yale Avenue / 4100 East Yale Avenue and Colorado Boulevard / East Amherst Avenue. The evaluation does not include Year 2040 volumes. This includes general, transit, pedestrian, and bicycle volumes as well as existing transit headways.
The VISSIM Existing Alternative Model reflects the geometric changes listed below and are shown in Figure 3.
The geometric changes include the removal of the existing northbound free flow right turn at the Yale Avenue / Colorado Boulevard North intersection. The northbound right turn was converted to a yielding movement and coded for slower traffic to simulate a speed hump.
Eastbound right turn at 4100 East Yale Avenue intersection was converted to a shared right turn / through movement since general traffic occasional treat it as a through lane. This geometric change will provide pedestrians the expectation that general traffic will not yield if they cross before the traffic signal indicates the pedestrian signal phase.
Signal timing at the Yale Avenue / Colorado Boulevard South intersection includes the protected-permitted northbound left turn movement.
Signal timing was modified to include leading pedestrian intervals (LPI) based on Denver’s Complete Street Design Guidelines using seven seconds because that is the current walk time for each pedestrian crosswalk approach within the study area.
Signal timings were modified at the Yale Avenue / Colorado Boulevard for both the southbound left turn and northbound left turn to be lagging for pedestrian safety as recommended in Denver’s Complete Street Design Guidelines.
The pedestrian clear timing phase was reviewed for each crosswalk approach and Table 3 shows the existing timing phase, estimated length of cross walk, and minimum timing phase that should be used based on 3.5 seconds per foot. Those highlighted in red text were adjusted in the Alternative models.
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Figure 3: Alternative Model Modifications
.
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Table 3: Pedestrian Clear Timing Phase Review
Leg of Intersection
Length of Crosswalk
Existing Pedestrian Clear Timing
Recommended Pedestrian Clear Timing
#1: E. Yale Ave / 4100 E. Yale Ave
North Leg 50 Feet 14 seconds 14 seconds
South Leg 50 Feet 14 seconds 14 seconds
East Leg 100 Feet 23 seconds 29 seconds
West Leg 100 Feet 23 seconds 29 seconds
#2: E. Yale Ave / Colorado Blvd North
North Leg 85 Feet 26 seconds 26 seconds
South Leg 85 Feet 26 seconds 26 seconds
East Leg 65 Feet 19 seconds 19 seconds
West Leg NA Na NA
#3: E Yale Ave / Colorado Blvd South
North Leg 115 Feet 26 seconds 33 seconds
South Leg 115 Feet 26 seconds 33 seconds
East Leg NA Na NA
West Leg 60 Feet 10 seconds 17 seconds
#4: Colorado Blvd / E. Amherst Ave
North Leg 90 Feet 20 seconds 26 seconds
South Leg 85 Feet 20 seconds 26 seconds
East Leg 75 Feet 15 seconds 21 seconds
West Leg 45 Feet 15 seconds 21 seconds
XXX= Adjusted in the Alternative Models
Table 4 shows the overall intersection LOS at each of the study intersections; the detailed VISSIM operational analysis results can be found in Attachment C. These geometric changes do not provide improvement for the existing general issues. Instead, the pedestrian safety improvements were reviewed for general impacts
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Table 4: VISSIM Existing Year Alternative Model Conditions – Intersection LOS
The Alternative Model operating conditions results include:
The biggest change in the traffic operations at the study’s intersections are reflected in the utilization of LPIs. Since more signal time is allocated to pedestrian there is a decrease in vehicular operations.
Each intersections experiences degradation in operations but as shown in Attachments B and C the queues throughout the study area only increase slightly.
The intersection of Yale Avenue / Colorado Boulevard North northbound right turn does not show significate operation degradation with the removal of the free right turn.
The intersection of Yale Avenue / Colorado Boulevard North northbound right turn does not show significate operation degradation with the removal of the free right turn.
The intersection of Yale Avenue / Colorado Boulevard South northbound left turn does operate significantly better with a protected/permitted left turn.
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Travel Time Results Comparison
In addition to intersection delay, travel times were compared between existing conditions and the alternative to further assess any impacts from the proposed changes. Table 5 summarizes the results of the general travel time analysis and Table 6 summarizes the transit routes.
Travel time for general traffic was compared along Colorado Boulevard, north of Colorado Boulevard North to south of Amherst Avenue, and Yale Avenue, east of Garfield Street to west of Cherry Street. No general travel time impacts were noted.
To evaluate any impacts specific to transit routes, two travel time sections were analyzed: 1) both Route 40 and Route 46 from the north, and 2) Route 40 and Route 46 from the south.
When comparing Existing Conditions with Existing Alternative Conditions travel times, general traffic does see an increase in delay.
The eastbound movement along Yale Avenue through the offset intersection with Colorado Boulevard. This is due to the free-flow northbound right turn at Colorado Avenue North being converted to a yield at the pedestrian crossing and the addition of the LPI.
The transit service travel times comparison for Existing Conditions with Existing Alternative Conditions does see a slight increase in delay.
The additional congestion caused by the LPI and northbound right turn yielding cause additional delay to transit, northbound along Colorado Boulevard.
Table 5: Summary of General Traffic Travel Times
Peak Hour
Direction Existing (mm:ss)
Existing Year
Alternative (mm:ss)
AM Peak Hour
Eastbound Yale Avenue through offset Colorado Boulevard
Intersection 2:00 4:00
Westbound Yale Avenue through offset Colorado Boulevard
Intersection 2:18 2:30
Northbound Colorado Avenue 1:42 1:42
Southbound Colorado Avenue 0:54 1:00
PM Peak Hour
Eastbound Yale Avenue through offset Colorado Boulevard
Intersection 2:18 13:18
Westbound Yale Avenue through offset Colorado Boulevard
Intersection 3:00 3:36
Northbound Colorado Avenue 1:48 3:00
Southbound Colorado Avenue 1:06 1:00
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Table 6: Summary of Transit Travel Times
Peak Hour
Route / Direction Existing (mm:ss)
Existing Year
Alternative (mm:ss)
AM Peak Hour
Route 40 / Northbound 3:12 3:30
Route 40 / Southbound 1:48 2:00
Route 46 / Northbound 3:06 3:12
Route 46 / Southbound 1:54 2:24
PM Peak Hour
Route 40 / Northbound 3:36 5:12
Route 40 / Southbound 1:42 2:18
Route 46 / Northbound 3:18 3:36
Route 46 / Southbound 2:06 2:12
Pedestrian Crossing Delay Comparison
In addition to intersection delay and travel times, pedestrian crosswalk delays were compared between existing conditions and the alternative to further assess any impacts from the proposed changes. The detailed pedestrian VISSIM operational analysis results can be found in Attachment B and Attachment C.
Overall, the delay pedestrians experience at the pedestrian crossings are typical for the heavy general used intersections. The cycle lengths at the study intersections range from 100 seconds to 120 seconds. The pedestrian delays are approximately a minute and improve the pedestrian crossing at Colorado Boulevard North.
Recommendations
The geometric changes of existing northbound free flow right turn at the Yale Avenue / Colorado Boulevard North intersection conversion to a yield right turn only slightly increases congestion at the Colorado Boulevard South intersection for general traffic. However, the conversion does provide a safer pedestrian passage at the crosswalk and the congestion increases are not significant enough to not implement the safety improvement for pedestrians.
The LPIs at each intersection does increase congestion within the study are for general traffic. However, the addition of LPI provides a safer pedestrian passage at the crosswalks and is recommended to be implemented.
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Attachments
Attachment A – Data Collection
Attachment B – Existing Conditions Operational Summary
Attachment C – Existing Year Build Alternative Conditions Operational Summary
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Attachment A – Data Collection
COLORADO BLVD COLORADO BLVDYALE AVE
(303) 216-2439www.alltrafficdata.net
Location: 5 COLORADO BLVD & YALE AVE AM
Wednesday, January 15, 2020Date:
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians
Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.
Peak Hour: 07:30 AM - 08:30 AM
Peak 15-Minutes: 07:45 AM - 08:00 AM
1,239 1,485
603
1,039
1,8411,159
0.89N
S
EW
0.94
0.82
0.90
(2,712)(2,267)
(1,113)
(1,803)
(3,299)(2,164)
0 0
398
285
0
318
0
8410 1,200
641
0
YALE AVE
COLORADO BLVD
COLORADO BLVD
0
3
0
N
S
EW
12
00
0 00
0 0 0
0
0
0
0
100
0
N
S
EW
0 0
0 0
00
0
0
0
Left Thru Right TotalEastboundInterval
Start TimeRollingHour West East South North
Pedestrian CrossingsU-Turn
Westbound Northbound SouthboundLeft Thru RightU-Turn Left Thru RightU-Turn Left Thru RightU-Turn
7:00 AM 0 0 198 0 43 1380 39 0 549 1 0 13,20440 91 0
7:15 AM 0 0 268 0 63 1650 73 0 748 1 0 13,55856 123 0
7:30 AM 0 0 269 0 90 2070 85 0 869 2 0 03,68363 155 0
7:45 AM 0 0 323 0 112 2290 94 0 1,038 1 0 03,68090 190 0
8:00 AM 0 0 322 0 109 2010 64 0 903 0 0 03,47570 137 0
8:15 AM 0 0 286 0 87 2040 75 0 873 0 0 062 159 0
8:30 AM 0 0 244 0 98 2400 72 0 866 0 0 075 137 0
8:45 AM 0 0 277 0 89 1920 86 0 833 1 0 069 120 0
Count Total 01,112525 6,6791,57669102,1870005880 206
Peak Hour 0 318 0 0 0 1,200 0 398 841 3,683285 641 0 3 0 0
COLORADO BLVD COLORADO BLVD YALE AVE
(303) 216-2439www.alltrafficdata.net
Location: 6 COLORADO BLVD & YALE AVE AM
Wednesday, January 15, 2020Date:
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians
Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.
Peak Hour: 07:30 AM - 08:30 AM
Peak 15-Minutes: 07:45 AM - 08:00 AM
1,181 1,829
1,2141,005
725
286
0.85N
S
EW
0.84
0.87
0.94
(3,308)(2,176)
(547)
(1,250)
(2,272)(1,843)
233 00
57
0
668
0
94853 1,161
00
YALE AVE
COLORADO BLVD
COLORADO BLVD
1
4
3N
S
EW
13
1 0
12
0
0 0 0
000
1
0
0
0
0
N
S
EW
0 0
0 1
00
0
0
0
Left Thru Right TotalEastboundInterval
Start TimeRollingHour West East South North
Pedestrian CrossingsU-Turn
Westbound Northbound SouthboundLeft Thru RightU-Turn Left Thru RightU-Turn Left Thru RightU-Turn
7:00 AM 0 10 239 0 0 1320 102 0 525 1 0 02,9287 0 35
7:15 AM 0 6 333 0 0 1950 128 0 719 0 0 03,1057 0 50
7:30 AM 0 9 313 0 0 2180 152 0 767 2 2 13,1208 0 67
7:45 AM 0 19 353 0 0 2880 187 0 917 0 1 03,0205 0 65
8:00 AM 0 12 248 0 0 2090 162 0 702 0 0 02,77028 0 43
8:15 AM 0 13 247 0 0 2330 167 0 734 1 1 016 0 58
8:30 AM 0 16 202 1 0 2450 140 0 667 0 0 015 0 48
8:45 AM 0 23 229 0 0 2160 105 0 667 0 1 021 0 73
Count Total 4390107 5,6981,736012,164108001,1430 154
Peak Hour 0 668 0 0 53 1,161 0 0 948 3,12057 0 233 3 4 1
COLORADO BLVD COLORADO BLVDYALE AVE
(303) 216-2439www.alltrafficdata.net
Location: 5 COLORADO BLVD & YALE AVE PM
Wednesday, January 15, 2020Date:
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians
Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.
Peak Hour: 04:30 PM - 05:30 PM
Peak 15-Minutes: 05:00 PM - 05:15 PM
2,006 1,133
830
1,132
1,4942,065
0.97N
S
EW
0.93
0.92
0.95
(2,246)(3,950)
(1,583)
(2,092)
(2,824)(4,019)
0 0
469
302
0
528
0
1,5370 831
663
0
YALE AVE
COLORADO BLVD
COLORADO BLVD
2
2
0
N
S
EW
11
00
0 23
0 0 0
3
0
0
0
000
0
N
S
EW
3 0
0 0
03
0
0
0
Left Thru Right TotalEastboundInterval
Start TimeRollingHour West East South North
Pedestrian CrossingsU-Turn
Westbound Northbound SouthboundLeft Thru RightU-Turn Left Thru RightU-Turn Left Thru RightU-Turn
4:00 PM 0 0 225 0 121 3490 95 0 978 3 0 04,09463 125 0
4:15 PM 0 0 185 1 113 3580 131 0 994 1 0 04,23767 139 0
4:30 PM 0 0 199 0 120 4070 126 0 1,092 1 0 14,33077 163 0
4:45 PM 0 0 207 0 108 3460 121 0 1,030 0 0 04,31079 169 0
5:00 PM 0 0 225 0 125 4030 133 0 1,121 1 0 04,26368 167 0
5:15 PM 0 0 200 0 116 3810 148 0 1,087 0 0 178 164 0
5:30 PM 0 0 208 0 106 4400 114 0 1,072 0 0 281 123 0
5:45 PM 0 0 201 0 109 3470 120 0 983 2 0 282 124 0
Count Total 01,174595 8,3573,03191811,6500009880 608
Peak Hour 0 528 0 0 0 831 0 469 1,537 4,330302 663 0 2 0 2
COLORADO BLVD COLORADO BLVD YALE AVE
(303) 216-2439www.alltrafficdata.net
Location: 6 COLORADO BLVD & YALE AVE PM
Wednesday, January 15, 2020Date:
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians
Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.
Peak Hour: 04:45 PM - 05:45 PM
Peak 15-Minutes: 05:15 PM - 05:30 PM
2,175 1,443
1,0401,810
571
533
0.92N
S
EW
0.89
0.95
0.95
(2,832)(4,020)
(1,046)
(1,122)
(2,048)(3,312)
450 00
83
0
488
0
1,72583 955
02
YALE AVE
COLORADO BLVD
COLORADO BLVD
2
2
1N
S
EW
11
0 2
10
2
0 0 0
000
0
0
0
0
0
N
S
EW
1 1
0 0
00
0
0
0
Left Thru Right TotalEastboundInterval
Start TimeRollingHour West East South North
Pedestrian CrossingsU-Turn
Westbound Northbound SouthboundLeft Thru RightU-Turn Left Thru RightU-Turn Left Thru RightU-Turn
4:00 PM 0 17 250 0 0 3360 112 0 821 0 0 03,41723 0 83
4:15 PM 0 21 202 0 0 3310 127 0 813 0 0 03,55821 0 111
4:30 PM 0 22 241 0 0 3930 121 0 920 2 0 23,77222 0 121
4:45 PM 0 22 255 0 0 3420 126 0 863 0 0 03,78625 0 93
5:00 PM 0 21 262 0 0 4190 124 0 962 1 1 03,77319 0 117
5:15 PM 2 26 220 0 0 4990 131 0 1,027 0 1 226 0 123
5:30 PM 0 14 218 0 0 4650 107 0 934 0 0 013 0 117
5:45 PM 0 26 229 0 0 3580 107 0 850 1 1 118 0 112
Count Total 8770167 7,1903,143001,877169209550 534
Peak Hour 0 488 0 2 83 955 0 0 1,725 3,78683 0 450 1 2 2
S Colorado Blvd S Colorado BlvdE Amherst AveE Amherst Ave
(303) 216-2439www.alltrafficdata.net
Location: 13344 S Colorado Blvd & E Amherst Ave AM
Wednesday, October 21, 2020Date:
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians
Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.
Peak Hour: 08:00 AM - 09:00 AM
Peak 15-Minutes: 08:30 AM - 08:45 AM
769 744
116
110
734778
53
40
0.90N
S
EW
0.88
0.85
0.92
0.70
(1,367)(1,238)
(167)
(175)
(59)
(79)
(1,368)(1,251)
21 247
33
13
70
9
22
22
0
0
6996 687
410
E Amherst Ave
E Amherst Ave
S Colorado Blvd
S Colorado Blvd
4
3
1
2N
S
EW
21
01
2 2
11
0
0
1
0
N
S
EW
0 0
0 1
00
00
Left Thru Right TotalEastboundInterval
Start TimeRollingHour West East South North
Pedestrian CrossingsU-Turn
Westbound Northbound SouthboundLeft Thru RightU-Turn Left Thru RightU-Turn Left Thru RightU-Turn
7:00 AM 0 2 107 0 7 710 0 3 0 1 0 199 3 0 3 11,1800 1 5 2
7:15 AM 0 0 127 0 9 910 2 1 0 8 1 250 0 2 0 11,3322 2 6 1
7:30 AM 0 3 182 0 5 1200 4 4 0 16 2 350 0 1 0 11,5290 2 9 3
7:45 AM 0 0 188 1 7 1500 4 4 0 12 3 381 1 0 0 21,6452 3 5 2
8:00 AM 0 1 168 1 8 1380 4 4 0 11 0 351 1 1 0 11,6720 7 4 5
8:15 AM 0 1 169 0 10 2020 5 6 0 22 3 447 0 0 0 03 9 13 4
8:30 AM 0 3 189 1 10 2030 5 3 0 16 7 466 0 2 0 04 7 13 5
8:45 AM 0 1 161 0 19 1560 8 9 0 21 3 408 1 0 1 32 10 11 7
Count Total 29664113 2,8521,1317531,29111019107034320 946 6
Peak Hour 0 22 22 0 70 13 0 6 687 2 47 699 1,6729 33 41 21 2 3 1 4
King Soopers Access King Soopers AccessE Yale AveE Yale Ave
(303) 216-2439www.alltrafficdata.net
Location: 19089 King Soopers Access & E Yale Ave AM
Wednesday, October 21, 2020Date:
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians
Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.
Peak Hour: 07:45 AM - 08:45 AM
Peak 15-Minutes: 07:45 AM - 08:00 AM
20 47
494
467
102118
513
497
0.89N
S
EW
0.75
0.79
0.88
0.91
(91)(36)
(802)
(812)
(790)
(908)
(182)(235)
6 07
36
434
24
87
421
3
0
2
755 8 390
E Yale Ave
E Yale Ave
King Soopers Access
King Soopers Access
2
0
3
2N
S
EW
00
21
2 0
11
0
1
0
0
N
S
EW
0 0
0 0
01
00
Left Thru Right TotalEastboundInterval
Start TimeRollingHour West East South North
Pedestrian CrossingsU-Turn
Westbound Northbound SouthboundLeft Thru RightU-Turn Left Thru RightU-Turn Left Thru RightU-Turn
7:00 AM 0 10 0 0 2 10 0 61 1 2 42 153 2 0 0 089018 6 8 2
7:15 AM 0 10 3 0 1 00 2 67 0 4 61 179 0 0 0 01,01319 4 8 0
7:30 AM 0 11 0 0 1 20 0 91 0 9 83 240 0 0 0 11,11330 4 9 0
7:45 AM 0 17 3 0 1 10 0 106 0 7 144 318 0 0 0 01,12921 5 9 4
8:00 AM 0 12 1 0 2 21 0 123 0 6 96 276 0 0 3 11,03819 5 8 1
8:15 AM 0 12 3 0 2 31 2 101 0 7 99 279 2 0 0 028 8 12 1
8:30 AM 0 14 1 0 2 10 1 91 0 4 95 256 0 0 0 119 18 10 0
8:45 AM 0 12 2 0 4 10 2 85 0 11 60 227 0 0 0 020 21 7 2
Count Total 107171174 1,928111501398068050172572 334 0
Peak Hour 2 3 421 0 24 434 0 55 8 0 7 7 1,12987 36 39 6 2 0 3 2
S Colorado Blvd S Colorado BlvdE Amherst AveE Amherst Ave
(303) 216-2439www.alltrafficdata.net
Location: 13344 S Colorado Blvd & E Amherst Ave PM
Wednesday, October 21, 2020Date:
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians
Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.
Peak Hour: 04:00 PM - 05:00 PM
Peak 15-Minutes: 04:15 PM - 04:30 PM
848 859
250
154
793854
57
81
0.94N
S
EW
0.97
0.92
0.86
0.71
(1,611)(1,766)
(461)
(328)
(156)
(107)
(1,508)(1,747)
25 881
99
42
109
11
27
19
0
0
73414 733
460
E Amherst Ave
E Amherst Ave
S Colorado Blvd
S Colorado Blvd
2
3
8
7N
S
EW
30
62
2 0
61
0
0
0
0
N
S
EW
0 0
0 0
00
00
Left Thru Right TotalEastboundInterval
Start TimeRollingHour West East South North
Pedestrian CrossingsU-Turn
Westbound Northbound SouthboundLeft Thru RightU-Turn Left Thru RightU-Turn Left Thru RightU-Turn
4:00 PM 0 0 201 2 24 1990 5 6 0 25 10 513 1 1 0 11,9482 25 9 5
4:15 PM 0 3 211 1 18 1750 6 9 0 28 14 517 2 0 3 01,9155 26 16 5
4:30 PM 0 4 157 2 19 1600 4 5 0 24 8 426 2 1 3 11,8643 22 12 6
4:45 PM 0 7 164 3 20 2000 4 7 0 32 10 492 2 1 2 01,9311 26 9 9
5:00 PM 0 5 151 2 14 2220 3 4 0 24 6 480 0 1 0 21,8943 29 11 6
5:15 PM 0 3 159 0 24 1950 8 3 0 26 4 466 1 4 3 41 19 15 9
5:30 PM 0 5 183 1 20 2110 2 9 0 21 7 493 0 0 0 03 13 11 7
5:45 PM 0 7 148 0 39 1640 4 7 0 20 12 455 0 1 0 23 30 17 4
Count Total 5110019021 3,8421,526178111,37434071200050360 10118 9
Peak Hour 0 19 27 0 109 42 0 14 733 8 81 734 1,94811 99 46 25 7 3 8 2
King Soopers Access King Soopers AccessE Yale AveE Yale Ave
(303) 216-2439www.alltrafficdata.net
Location: 19089 King Soopers Access & E Yale Ave PM
Wednesday, October 21, 2020Date:
Peak Hour - Motorized Vehicles Peak Hour - Bicycles Peak Hour - Pedestrians
Traffic Counts - Motorized Vehicles
Note: Total study counts contained in parentheses.
Peak Hour: 04:45 PM - 05:45 PM
Peak 15-Minutes: 05:30 PM - 05:45 PM
97 43
571
693
230236
717
643
0.93N
S
EW
0.81
0.93
0.81
0.92
(110)(184)
(1,098)
(1,402)
(1,225)
(1,448)
(479)(472)
16 062
31
499
41
176
537
4
0
0
19128
8 940
E Yale Ave
E Yale Ave
King Soopers Access
King Soopers Access
6
5
1
4N
S
EW
23
01
4 2
40
0
0
0
1
N
S
EW
0 0
0 0
00
10
Left Thru Right TotalEastboundInterval
Start TimeRollingHour West East South North
Pedestrian CrossingsU-Turn
Westbound Northbound SouthboundLeft Thru RightU-Turn Left Thru RightU-Turn Left Thru RightU-Turn
4:00 PM 0 43 5 0 16 90 2 137 0 14 107 421 1 0 0 01,59842 12 26 8
4:15 PM 0 35 5 0 13 30 0 147 0 11 117 422 0 0 0 11,60045 14 28 4
4:30 PM 0 25 3 0 9 100 3 145 0 11 121 400 4 3 0 51,58233 14 23 3
4:45 PM 0 31 1 0 12 30 1 120 0 6 117 355 2 1 1 11,61539 7 16 2
5:00 PM 0 32 3 0 13 70 0 132 0 9 135 423 0 0 0 21,61147 9 29 7
5:15 PM 0 34 4 0 23 40 1 128 0 12 115 404 0 4 0 349 9 22 3
5:30 PM 0 31 0 0 14 50 2 157 0 14 132 433 2 0 0 041 6 27 4
5:45 PM 0 31 2 0 5 61 0 137 0 13 86 351 0 0 0 039 7 23 1
Count Total 3219478335 3,2094710502326209309001,10391 1219 8
Peak Hour 0 4 537 0 41 499 0 128 8 0 62 19 1,615176 31 94 16 4 5 1 6
memo
1675 Larimer Street, Suite 400 | Denver, CO 80202 | o: 303.339.0440 | www.apexdesignpc.com
Attachment B – Existing Conditions Operational Summary
Intersection / Movement
Proj.
Volume
(veh.)
Model
Volume
(veh.) Error %(2)Delay
(sec.)
Level of
Service
Model
Maxium
Queue
(ft.)
Model
Avg
Queue
(ft.)
Proj.
Volume
(veh.)
Model
Volume
(veh.) Error %(2)Delay
(sec.)
Level of
Service
Model
Maxium
Queue (ft.)
Model
Average
Queue
(ft.)
#1: E Yale Ave / E 4100 Yale Ave
Eastbound Left‐Turn 50 51 2% 7 A 55 1 4 3 ‐25% 10.9 B 16 0
Eastbound Through 820 809 ‐1% 4 A 214 8 878 870 ‐1% 9.1 A 354 28
Eastbound Right‐Turn 168 169 1% 3 A 80 1 250 242 ‐3% 5.9 A 150 4
Westbound Left‐Turn 24 23 ‐4% 14 B 38 1 41 39 ‐5% 31.1 C 75 4
Westbound Through 502 501 0% 4 A 135 5 680 675 ‐1% 14.6 B 233 36
Westbound Right‐Turn 36 36 0% 3 A 140 6 31 32 3% 6.0 A 238 37
Northbound Left‐Turn 75 75 0% 43 D 88 16 175 161 ‐8% 69.5 E 214 65
Northbound Through 8 9 13% 39 D 89 16 8 7 ‐13% 61.0 E 215 66
Northbound Right‐Turn 39 37 ‐5% 6 A 87 8 94 95 1% 15.9 B 215 60
Southbound Left‐Turn 7 7 0% 48 D 49 3 62 62 0% 34.8 C 101 13
Southbound Through 7 7 0% 44 D 49 3 19 19 0% 40.8 D 102 13
Southbound Right‐Turn 26 27 4% 10 A 50 3 25 26 4% 10.3 B 102 13
Intersection Total Vehicles 698 695 0% 9.8 A 1,110 1,090 ‐2% 25.0 C
Pedestrian ‐ East Leg 0 0 ‐ 0.0 5 5 0% 46.9
Pedestrian ‐ West Leg 2 2 0% 39.7 4 4 0% 51.5
Pedestrian ‐ North Leg 2 2 0% 27.9 6 6 0% 54.5
Pedestrian ‐ South Leg 3 3 0% 31 1 1 0% 53
#2: E Yale Ave / Colorado Blvd N
Westbound Left‐Turn 318 319 0% 51 D 185 49 578 546 ‐6% 91.1 F 391 174
Westbound Right‐Turn 285 281 ‐1% 4 A 147 4 302 304 1% 4.2 A 189 4
Northbound Through 1,200 1,180 ‐2% 13 B 273 43 831 805 ‐3% 17.0 B 233 32
Northbound Right‐Turn 640 642 0% 4 A 255 25 663 654 ‐1% 2.5 A 215 18
Southbound Left‐ Turn 398 395 ‐1% 21 C 285 37 469 463 ‐1% 20.9 C 361 52
Southbound Through 828 820 ‐1% 5 A 280 15 1,597 1,604 0% 10.3 B 359 40
Intersection Total 3,669 3,637 ‐1% 13.2 B 4,440 4,376 ‐1% 21.1 C
Pedestrian ‐ East Leg 3 3 0% 54.8 2 2 0% 56.5
Pedestrian ‐ North Leg 0 0 ‐ 0 2 2 0% 54
#3: E Yale Ave / Colorado Blvd S
Eastbound Left‐Turn 680 678 0% 59 E 999 249 513 503 ‐2% 73.8 F 962 306
Eastbound Right‐Turn 57 56 ‐2% 58 E 999 249 83 82 ‐1% 72.0 F 962 306
Northbound Left‐Turn 53 52 ‐2% 31 C 78 6 85 55 ‐35% 681.6 F 720 369
Northbound Through 1,161 1,154 ‐1% 12 B 145 23 981 973 ‐1% 12.3 B 135 20
Southbound Through 948 937 ‐1% 10 A 220 24 1,725 1,705 ‐1% 10.3 B 302 72
Southbound Right‐ Turn 201 200 0% 10 A 222 25 450 444 ‐1% 9.9 A 303 73
Intersection Total 3,100 3,077 ‐1% 22.7 C 3,837 3,762 ‐2% 30.4 D
Pedestrian ‐ West Leg 3 3 0% 64 1 1 0% 62
Pedestrian ‐ North Leg 1 1 0% 61 2 2 0% 61
Pedestrian ‐ South Leg 5 5 0% 53 2 2 0% 64
#4: Colorado Blvd / E Amherst Ave
Eastbound Left‐Turn 74 80 8% 53 D 145 22 19 21 11% 80.3 F 105 14
Eastbound Through 22 21 ‐5% 56 E 92 10 27 26 ‐4% 52.3 D 84 8
Eastbound Right‐Turn 19 20 5% 49 D 92 11 11 12 9% 43.6 D 84 8
Westbound Left‐Turn 70 72 3% 48 D 115 19 109 110 1% 47.7 D 152 30
Westbound Through 13 13 0% 48 D 117 20 42 39 ‐7% 47.3 D 152 31
Westbound Right‐Turn 150 149 ‐1% 7 A 120 20 99 100 1% 6.5 A 154 29
Northbound Left‐Turn 6 5 ‐17% 8 A 14 0 14 14 0% 22.9 C 23 0
Northbound Through 989 984 ‐1% 4 A 136 8 948 936 ‐1% 8.6 A 194 26
Northbound Right‐Turn 41 41 0% 4 A 137 8 46 45 ‐2% 4.2 A 195 25
Southbound Left‐Turn 55 52 ‐5% 12 B 37 1 89 86 ‐3% 17.5 B 81 4
Southbound Through 850 838 ‐1% 1 A 94 2 1,694 1,673 ‐1% 1.2 A 134 3
Southbound Right‐Turn 97 93 ‐4% 3 A 93 2 25 26 4% 1.7 A 135 3
Intersection Total 2,386 2,368 ‐1% 7.5 A 3,123 3,088 ‐1% 7.6 A
Pedestrian ‐ East Leg 3 3 0% 45.8 3 3 0% 168.2
Pedestrian ‐ West Leg 2 2 0% 48.3 7 7 0% 52.2
Pedestrian ‐ North Leg 4 4 0% 68.4 2 2 0% 59.2
Pedestrian ‐ South Leg 1 1 0% 81.4 8 9 13% 57
Network Total 9,853 9,777 ‐1% 12,510 12,316 ‐2%
Notes:
(1) Data based on the average of 15 VISSIM micro‐simulation models.
(2) Percent error between projected volume and actual throughput volume in the model.
(3) GEH Statistic defined as: E = estimated model volume
V = actual volume
Weekday PM Peak‐HourWeekday AM Peak‐Hour
East Yale Avenue Corridor Study
Existing Conditions ‐ Operational Summary(1)
𝐺𝐸𝐻𝐸 𝑉𝐸 𝑉 /2
memo
1675 Larimer Street, Suite 400 | Denver, CO 80202 | o: 303.339.0440 | www.apexdesignpc.com
Attachment C – Existing Year Alternative Build Conditions Operational Summary
Intersection / Movement
Proj.
Volume
(veh.)
Model
Volume
(veh.) Error %(2)Delay
(sec.)
Level of
Service
Model
Maxium
Queue
(ft.)
Model
Avg
Queue
(ft.)
Proj.
Volume
(veh.)
Model
Volume
(veh.) Error %(2)Delay
(sec.)
Level of
Service
Model
Maxium
Queue (ft.)
Model
Average
Queue
(ft.)
#1: E Yale Ave / E 4100 Yale Ave
Eastbound Left‐Turn 50 51 2% 11 B 62 2 4 3 ‐25% 25.2 D 17 0
Eastbound Through 820 760 ‐7% 8 A 174 17 878 595 ‐32% 15.6 C 298 30
Eastbound Right‐Turn 168 166 ‐1% 5 A 175 17 250 230 ‐8% 10.4 B 299 30
Westbound Left‐Turn 24 23 ‐4% 23 C 49 1 41 39 ‐5% 46.5 D 71 4
Westbound Through 502 501 0% 9 A 177 13 680 667 ‐2% 33.6 D 355 84
Westbound Right‐Turn 36 36 0% 6 A 182 15 31 32 3% 10.9 B 361 87
Northbound Left‐Turn 75 74 ‐1% 44 D 86 16 175 152 ‐13% 103.5 F 262 94
Northbound Through 8 9 13% 37 D 86 17 8 7 ‐13% 83.8 F 263 94
Northbound Right‐Turn 39 37 ‐5% 6 A 85 8 94 91 ‐3% 27.9 C 263 89
Southbound Left‐Turn 7 7 0% 44 D 54 3 62 62 0% 34.8 C 97 13
Southbound Through 7 7 0% 46 D 54 3 19 19 0% 45.7 D 97 14
Southbound Right‐Turn 26 27 4% 10 B 54 3 25 26 4% 16.5 C 97 14
Intersection Total Vehicles 698 694 ‐1% 13.6 B 1,110 1,069 ‐4% 43.4 D
Pedestrian ‐ East Leg 0 0 ‐ 0.0 5 5 0% 46.3
Pedestrian ‐ West Leg 2 2 0% 46.7 4 4 0% 48.8
Pedestrian ‐ North Leg 2 2 0% 34.0 6 6 0% 39.2
Pedestrian ‐ South Leg 3 3 0% 40 1 1 0% 56
#2: E Yale Ave / Colorado Blvd N
Westbound Left‐Turn 318 318 0% 50 D 180 49 578 526 ‐9% 112.1 F 401 203
Westbound Right‐Turn 285 281 ‐1% 5 A 173 5 302 303 0% 6.0 A 236 7
Northbound Through 1,200 1,112 ‐7% 14 B 291 79 831 735 ‐12% 70.1 E 312 128
Northbound Right‐Turn 640 591 ‐8% 15 B 262 60 663 366 ‐45% 3.5 A 294 109
Southbound Left‐ Turn 398 387 ‐3% 61 E 427 137 469 465 ‐1% 13.0 B 500 86
Southbound Through 828 817 ‐1% 11 B 422 112 1,597 1,590 0% 36.1 E 498 107
Intersection Total 3,669 3,506 ‐4% 21.1 C 4,440 3,985 ‐10% 44.4 D
Pedestrian ‐ East Leg 3 3 0% 49.6 2 2 0% 66.8
Pedestrian ‐ North Leg 0 0 ‐ 0 2 2 0% 57
#3: E Yale Ave / Colorado Blvd S
Eastbound Left‐Turn 680 563 ‐17% 177 F 1,441 1,034 513 133 ‐74% 889.1 F 1,441 1,336
Eastbound Right‐Turn 57 46 ‐19% 186 F 1,441 1,034 83 25 ‐70% 940.4 F 1,441 1,336
Northbound Left‐Turn 53 53 0% 27 C 70 4 85 88 4% 71.3 F 174 28
Northbound Through 1,161 1,146 ‐1% 14 B 149 27 981 974 ‐1% 21.7 C 167 29
Southbound Through 948 925 ‐2% 14 B 279 39 1,725 1,676 ‐3% 20.9 C 314 113
Southbound Right‐ Turn 201 198 ‐1% 17 B 281 39 450 435 ‐3% 18.2 C 316 114
Intersection Total 3,100 2,931 ‐5% 48.3 D 3,837 3,331 ‐13% 63.7 F
Pedestrian ‐ West Leg 3 3 0% 67 1 1 0% 70
Pedestrian ‐ North Leg 1 1 0% 60 2 2 0% 59
Pedestrian ‐ South Leg 5 5 0% 56 2 2 0% 63
#4: Colorado Blvd / E Amherst Ave
Eastbound Left‐Turn 74 80 8% 53 D 144 22 19 24 26% 51.3 D 59 6
Eastbound Through 22 22 0% 55 E 95 11 27 26 ‐4% 53.9 D 86 9
Eastbound Right‐Turn 19 20 5% 49 D 95 11 11 12 9% 47.6 D 86 9
Westbound Left‐Turn 70 72 3% 48 D 114 19 109 111 2% 47.1 D 153 30
Westbound Through 13 13 0% 47 D 116 21 42 39 ‐7% 44.0 D 153 31
Westbound Right‐Turn 150 149 ‐1% 8 A 119 20 99 100 1% 6.7 A 156 29
Northbound Left‐Turn 6 6 0% 13 B 18 0 14 14 0% 19.3 B 28 0
Northbound Through 989 981 ‐1% 9 A 169 18 948 945 0% 10.1 B 180 20
Northbound Right‐Turn 41 41 0% 7 A 170 18 46 45 ‐2% 7.6 A 181 20
Southbound Left‐Turn 55 51 ‐7% 16 B 55 2 89 71 ‐20% 13.3 B 72 2
Southbound Through 850 829 ‐2% 3 A 142 6 1,694 1,598 ‐6% 0.6 A 50 1
Southbound Right‐Turn 97 93 ‐4% 3 A 141 6 25 25 0% 1.3 A 51 1
Intersection Total 2,386 2,357 ‐1% 10.4 B 3,123 3,010 ‐4% 7.6 A
Pedestrian ‐ East Leg 3 3 0% 51.0 3 3 0% 57.7
Pedestrian ‐ West Leg 2 2 0% 54.3 7 7 0% 51.4
Pedestrian ‐ North Leg 4 4 0% 67.2 2 2 0% 55.1
Pedestrian ‐ South Leg 1 1 0% 82 8 9 13% 56
Network Total 9,853 9,488 ‐4% 12,510 11,395 ‐9%
Notes:
(1) Data based on the average of 15 VISSIM micro‐simulation models.
(2) Percent error between projected volume and actual throughput volume in the model.
(3) GEH Statistic defined as: E = estimated model volume
V = actual volume
Weekday PM Peak‐HourWeekday AM Peak‐Hour
East Yale Avenue
Existing Alternative Model ‐ Operational Summary(1)
𝐺𝐸𝐻𝐸 𝑉𝐸 𝑉 /2
![VISSIM Lab Assignment_Final[1]](https://img.pdfslide.net/doc/110x75/55cf9aa0550346d033a2a24a/vissim-lab-assignmentfinal1.jpg)