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Clarence Bunting, P.E.
Congestion Management Project Engineer
Transportation Mobility and Safety Division
Resources for Intersection Analysis
October 27, 2016
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Arcady Quewz Cap-X RODEL CORSIM SIDRA Freeval SSAM FRESIM Synchro HCM-Cinema TEAPAC HCS-2000 TRAF-NETSIM HCS-2010 TransCad HCS-Plus TransModeler Integration Transyt-7F Nu-Metrics Trip Generation OTISS Tru-Traffic Paramics TSPPD PC-Warrants VISSIM PETRA Vistro
Traffic Analysis Software
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Software Issues • Managing Licenses across entire
department • Many licenses of software packages
– each change requires action by both agency and vendor
• Some users need access full-time, others only once-twice a year
• Licenses often “change hands” with frequent personnel changes / temporary assignments
• Consider public agency needs • Public agencies need copies of all
software used by private sector to fully complete reviews of submittals
NCDOT License Assignment Unit Assigned To: Person assigned to:
North Carolina DOT/10000000001 Congestion Management Stephen Yeung
North Carolina DOT/10000000002 Congestion Management Charles Sorrell
North Carolina DOT/10000000003 Congestion Management Elise Groundwater
North Carolina DOT/10000000004 MSTA Joel Cranford
North Carolina DOT/10000000005 Congestion Management Russell Smith (5/16)
North Carolina DOT/10000000006 Congestion Management Ryan S. Mahjoub (5/19)
North Carolina DOT/10000000007 Congestion Management Doumit Ishak
North Carolina DOT/10000000008 Congestion Management James Dunlop
North Carolina DOT/10000000009 Congestion Management Andrea C (associate)
North Carolina DOT/10000000010 Congestion Management Mohammad Islam
North Carolina DOT/10000000011 Congestion Management Benjetta Johnson
North Carolina DOT/10000000012 Congestion Management Available
North Carolina DOT/10000000013 Congestion Management Solomon Mengesha
North Carolina DOT/10000000014 Congestion Management Nick Lineberger
North Carolina DOT/10000000015 MSTA Zaker Alazzeh
North Carolina DOT/10000000016 Congestion Management Jim Dunlop
North Carolina DOT/10000000017 MSTA Kim Hinton
North Carolina DOT/10000000018 Congestion Management Available
North Carolina DOT/10000000019 MSTA Joe Futrell
North Carolina DOT/10000000020 Congestion Management Available
North Carolina DOT/10000000021 Congestion Management Jeff Weller
North Carolina DOT/10000000022 Congestion Management Clarence Bunting
North Carolina DOT/10000000023 Congestion Management Chandrakant Sura
North Carolina DOT/10000000024 Congestion Management Available
North Carolina DOT/10000000025 Regional Traffic Staff John Grant
North Carolina DOT/10000000026 Division 05 Michael Kimbrell - District 1
North Carolina DOT/10000000027 Congestion Management Elise Groundwater (laptop)
North Carolina DOT/10000000028 Signal Systems Mohamed Deen
North Carolina DOT/10000000029 Signal Systems Available
North Carolina DOT/10000000030 Signal Systems Available
North Carolina DOT/10000000031 Signal Systems Joe Lohr
North Carolina DOT/10000000032 Signal Systems Devin Smith
North Carolina DOT/10000000033 Signal Systems Tom Agnew
North Carolina DOT/10000000034 Signal Systems Spencer Ip
North Carolina DOT/10000000035 Signal Systems Mike Johnson
North Carolina DOT/10000000036 Signal Systems Chang Baek
North Carolina DOT/10000000037 Signal Systems Available
North Carolina DOT/10000000038 Congestion Management Not Available (6/9/14)
North Carolina DOT/10000000039 Congestion Management Mike Reese
North Carolina DOT/10000000040 Congestion Management Michael Poe (6/9/14)
North Carolina DOT/10000000041 Congestion Management Available
North Carolina DOT/10000000042 Congestion Management James Dunlop (laptop)
North Carolina DOT/10000000043 Congestion Management Joshua Smith
North Carolina DOT/10000000044 Regional Traffic Staff Janet Whetstone
North Carolina DOT/10000000045 Regional Traffic Staff Jimmy Hamrick
North Carolina DOT/10000000046 Regional Traffic Staff Scott Collier
North Carolina DOT/10000000047 Regional Traffic Staff John Button
North Carolina DOT/10000000048 Regional Traffic Staff Matt Carlisle
North Carolina DOT/10000000049 Regional Traffic Staff Pate Butler
North Carolina DOT/10000000050 TPB Matt Quesenberry
North Carolina DOT/10000000051 Available
North Carolina DOT/10000000052 Division 07 Dawn McPherson
North Carolina DOT/10000000053 Division 14 Scott Cook
North Carolina DOT/10000000054 Division 01 Jason Davidson
North Carolina DOT/10000000055 Division 03 Dan Cumbo
North Carolina DOT/10000000056 Division 06 Michael Boahn
North Carolina DOT/10000000057 Division 09 J.P. Couch, PE
North Carolina DOT/10000000058 Division 13 Mark Teague, PE
North Carolina DOT/10000000059 Division 04 Russell Broadwell
North Carolina DOT/10000000060 Division 08 Jerry Porter
North Carolina DOT/10000000061 Division 12 Byron Engle
North Carolina DOT/10000000062 Division 02 Steve Hamilton, PE
North Carolina DOT/10000000063 Division 02 Steve Hamilton, PE
North Carolina DOT/10000000064 Division 02 Steve Hamilton, PE
North Carolina DOT/10000000065 Division 03 Dan Cumbo
North Carolina DOT/10000000066 Division 03 Dan Cumbo
North Carolina DOT/10000000067 Division 04 Jamey Wilkinson
North Carolina DOT/10000000068 Division 05 Steve Johnson
North Carolina DOT/10000000069 Division 05 Steve Johnson
North Carolina DOT/10000000070 Division 06 Frank D. West
North Carolina DOT/10000000071 Division 08 Rob Stone, PE
North Carolina DOT/10000000072 Division 09 J.P. Couch, PE
North Carolina DOT/10000000073 Division 09 J.P. Couch, PE
North Carolina DOT/10000000074 Division 10 Scott Cole, PE
North Carolina DOT/10000000075 Division 10 Scott Cole, PE
North Carolina DOT/10000000076 Division 11 Daniel Adams
North Carolina DOT/10000000077 Division 12 Sam Nichols
North Carolina DOT/10000000078 Division 13 Mark Teague, PE
North Carolina DOT/10000000079 Division 13 Mark Teague, PE
North Carolina DOT/10000000080 Division 14 Scott Cook
North Carolina DOT/10000000081 Feasibility Studies Derrick W. Lewis PE
North Carolina DOT/10000000082 Feasibility Studies Derrick W. Lewis PE
North Carolina DOT/10000000083 Feasibility Studies Derrick W. Lewis PE
North Carolina DOT/10000000084 Feasibility Studies Derrick W. Lewis PE
North Carolina DOT/10000000085 Feasibility Studies Derrick W. Lewis PE
North Carolina DOT/10000000086 TPB David Wasserman
North Carolina DOT/10000000087 Division 08
North Carolina DOT/10000000088 Division 07
North Carolina DOT/10000000089 Division 08
North Carolina DOT/10000000090 Division 09
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NCDOT Congestion Management Capacity Analysis Guidelines
• Standardize analysis done across the state, both for NCDOT projects and developer Traffic Impact Analyses submitted for driveway permit approval
• Includes: • Alternatives to be studied • Design information • Signal timing requirements • Traffic volume details • Default values • Specific Software Inputs
First developed 2005 Current version 2012 Modifications 2014
Synchro
• Intuitive Graphical User Interface
• Quick Complex Analysis Results
• Easily Coded Coordinated Networks
• Simple Alternative Comparison
• Cumbersome Licensing Structure
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Simtraffic
• Microsimulation Tool
• Utilizes Macroscopic Synchro Package
• Simple and Quick
• To maximize microsimulation accuracy, the
network should be calibrated.
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Simtraffic Animation
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Transmodeler
• Microsimulation Tool
• Also provides macroscopic results
• To maximize microsimulation accuracy, the
network should be calibrated.
• More robust microsimulation tool than
Simtraffic
• Works with TransCAD traffic modeling
software
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Highway Capacity Software
• Based on the Highway Capacity Manual
• Manual is published by the Transportation
Research Board
• Simple Interface
• No Graphics
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SIDRA
• Roundabout Analysis
• Simple Interface
• Gap-acceptance Capacity Model
• Software offers other analysis options
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Alternative Design Concepts
Quadrant Left Huntersville
Diverging Diamond Interchange Cornelius
Analysis Challenges • Highway Capacity Manual
Procedures • Developing standards for “apples
to apples” comparison for HCM 2015
• Integration into existing models • Need to “trick” analysis tools to
allow for analysis • Long Term – Develop methodology
to include various design concepts easily
Roundabouts
222 Roundabouts (as of 8/1/2014) • 116 State – including 20 UC • 100 Municipal • 6 Private • 12 Multilane - 10 State (5 UC), 2 Municipal • 1 Removed (widening project)
North Carolina Roundabouts
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“Synchro [version 7] should not be used for analysis of roundabouts. SIDRA, HCS [2010], or VISSIM are currently the only acceptable analysis tools for roundabouts in North Carolina.”
NCDOT Congestion Management Capacity Analysis Guidelines – Jan. 1, 2012
Roundabouts
Superstreet Corridors
US 15-501 – Chapel Hill
Superstreets
Superstreets
Diverging Diamond
Interchange
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• Free Software
• Easy Entry
• Quick Comparison
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CAPX
• Simple Interface
• Excel Spreadsheet
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Quick Comparison
Quick Comparison of Options
• Conventional Intersection
• Conventional with Shared Right Lane
• Quadrant Left
• Partial Displaced Left Turn
• Displaced Left Turn (Continuous Flow)
• Restricted Crossing U-Turn (Superstreet)
• Median U-Turn (Michigan Left)
• Partial Median U-Turn
• Roundabout
• Diamond Interchange
• Partial Cloverleaf
• Displaced Left Turn
• Double Crossover Diamond (DDI)
• Single Point
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Results
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Results
Questions?
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