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Transportation Performance Management and Travel Time Reliability
1
Texas Department of Transportation Short Course
October 11, 2017
Presented by David E. Fink
What Is Transportation Performance
Management?
FHWA defines Transportation Performance
Management as a strategic approach that uses
system information to make investment and
policy decisions to achieve national performance
goals.
National Performance Goals
Safety -
Infrastructure Condition
Congestion Reduction
System Reliability
Freight Movement and Economic Vitality
Environmental Sustainability
Project Delivery
Federal Regulatons
Title 23 United States Code 150: National goals
and performance management measures
Top 10 Reasons for Performance
Measurement System
It improves the bottom line
Allows an agency to align its strategic activities
to the strategic plan.
Measurement
It allows managers to identify best practices
Supports better and faster budget decisions
Top 10 Reasons for Performance
Management
Visibility provides accountability and incentives based on real data
It permits benchmarking
Better Estimates.
US Federal agency are required by law.
It can raise an agency's long-term chances of survival.
Performance Measurement history
from Wikipedia Performance measurements (PM) were developed In 1943
During The Kennedy administration, The Department of Defense started using PM
Other Federal agencies began experimenting in PM during the Johnson administration.
Eventually more and more state and local governments began using performance measurement to improve their management and budgeting.
The use of performance measurement became a common practice in the 1970s.
PM popularity die out in the 1980’s
PM started making a comeback in the 1990’s
Top 10 Reasons for Performance
Measurement System It improves the bottom line by reducing process cost and improving productivity and
mission effectiveness
A performance measurement system such as the Balanced Scorecard allows an agency to align its strategic activities to the strategic plan. It permits -- often for the first time -- real deployment and implementation of the strategy on a continuous basis. With it, an agency can get feedback needed to guide the planning efforts. Without it, an agency is 'flying blind'.
Measurement of process efficiency provides a rational basis for selecting what business process improvements to make first.
It allows managers to identify best practices in an organization and expand their usage elsewhere.
The visibility provided by a measurement system supports better and faster budget decisions and control of processes in the organization. This means it can reduce risk.
In short, Transportation Performance
Management: Is systematically applied, a regular ongoing process
Provides key information to help decision makers allowing them to understand the consequences of investment decisions across transportation assets or modes
Improving communications between decision makers, stakeholders and the traveling public.
Ensuring targets and measures are developed in cooperative partnerships and based on data and objective information
Visibility provides accountability and incentives based on real data, not anecdotes and subjective judgements. This serves for reinforcement and the motivation that comes from competition.
7. It permits benchmarking of process performance against outside organizations.
8. Collection of process cost data for many past projects allows us to learn how to estimate costs more accurately for future projects.
9. If you are in a US Federal agency, it's the law. The Government Performance and Results Act of 1993 requires a strategic plan, and a method of measuring the performance of strategic initiatives.
10. It can raise you agency's Baldrige score, which can serve to increase its long-term chances of survival.
TxDOT Goals and Performance
Measures Uptime for ITS Equipment
– Close Caption Television Cameras
– Dynamic Message Signs
– Vehicle Detectors
Clearance Time
– Accidents
– Stalls
Travel Time Reliability
TxDOT’s TMS Metrics Dashboard
Tropical Storm Allison Hurricane Rita Hurricane Ike Tax Day Flood Hurricane Harvey
Accesses 5,998,839 9,124,000 12,939,474 5,629,713 30,684,727
0
5,000,000
10,000,000
15,000,000
20,000,000
25,000,000
30,000,000
35,000,000
Houston TranStar Website Accesses
Tropical Storm Allison Hurricane Rita Hurricane Ike Tax Day Flood Hurricane Harvey
Users 173,647 475,000 1,979,542 564,099 3,074,575
0
500,000
1,000,000
1,500,000
2,000,000
2,500,000
3,000,000
3,500,000
Un
iqu
e U
sers
Houston TranStar Website Unique Users
0
200,000
400,000
600,000
800,000
1,000,000
1,200,000
HurricaneHarvey -
8/27/2017
HurricaneHarvey -
8/28/2017
HurricaneHarvey -
8/29/2017
HurricaneHarvey -
8/30/2017
HurricaneHarvey -
8/31/2017
HurricaneHarvey -
8/26/2017
HurricaneHarvey -9/1/2017
Tax DayFlood Event- 4/18/2016
Tax DayFlood Event- 4/19/2016
Tax DayFlood Event- 4/20/2016
Ice Event -2/4/2011
HurricaneIke -
9/11/2008
HurricaneIke -
9/12/2008
HurricaneIke -
9/13/2008
HurricaneRita -
9/22/2005
Un
iqu
e U
sers
Hurricane Harvey resulted in 4 of the busiest days of all time for the Houston TranStar website (surpassing one day of the Hurricane Ike event).
Overall, 3.07 million unique visitors accessed the website between 8/25 and 9/5.
Houston TranStar Website Busiest Days Of
All Time (By Users)
0
1000000
2000000
3000000
4000000
5000000
6000000
7000000
Mon8/21
Tue8/22
Wed8/23
Thu8/24
Fri8/25
Sat8/26
Sun8/27
Mon8/28
Tue8/29
Wed8/30
Thu8/31
Fri9/1
Sat9/2
Sun9/3
Mon9/4
Tue9/5
Wed9/6
Thu9/7
Fri9/8
Sat9/9
Sun9/10
Mon9/11
Tue9/12
Wed9/13
Houston TranStar Web Access
0
1000000
2000000
3000000
4000000
5000000
6000000
7000000
Fri 8/25 Sat 8/26 Sun 8/27 Mon 8/28 Tue 8/29 Wed 8/30 Thu 8/31 Fri 9/1 Sat 9/2 Sun 9/3 Mon 9/4 Tue 9/5
Dai
ly W
ebsi
te A
cces
ses
Houston TranStar Website Accesses during Hurricane Harvey
Harvey Accesses Typical Accesses
Typical Accesses: 4,158,022
Hurricane Harvey Accesses: 30,684,727
Houston TranStar Benefit/Cost
12.9
11.4
9.9
11.410.9
14.014.6
16.2 15.9
14.8
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
18.0
2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
Travel Time Reliability
the consistency or dependability in travel times,
as measured from day-to-day and/or across
different times of the day.
Travel Time Reliability-Wikipedia
has been increasingly recognized as a key performance indicator for transportation roadways and transport systems. This has stimulated research into the development of measures to quantify the level of reliability or the extent of variability in travel times. As a result, several travel time reliability measures have been introduced over the last two decades.
Travel Times
0
10
20
30
40
50
60
70
Thurday @ 10:00 AM Sunday at Midnight Friday Best Case @ 5:00PM
Monday Best Case @ 5PM.
Friday Worst Case Monday @ 4PM Monday Best Case @ 5PM.
Series 1 Series 2
Houston TranStar Route Builder
Houston TranStar Route Builder
Common Travel Times Routes
Questions?
