Incorporating Pavement Management
into the LRTP
John Kiefer, P.E.
Research Engineer
Center For Technology and Training
Transportation Institute
Michigan’s
Local Technical
Assistance Program
Michigan
Local Technical
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Long Range Transportation Plan
What component is commonly missing?
Network Level Metrics!!!
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Roads as an Asset
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Window of Opportunity
Condition Rating
Excellent
Preventative Maintenance
Heavy Maintenance
Light Rehabilitation
Heavy Rehabilitation
CDP
Asset Replacement
Poor
Time
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Managing Physical Assets
the Nuts & Bolts
Steps
1.
2.
3.
4.
Inventory
Condition (rating)
Predicting future condition
Managing network
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1. Inventory – What do I own?
You can’t manage what you don’t know you own
8
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PASER
Pavement Condition Rating
•
•
•
•
PASER – Pavement Surface Evaluation and Rating
Visual survey—based on sound engineering
principles
Measure of surface distress
Scale of 1-10
Predicting the Future
•
Rules of thumb
•
Past experience
•
Professional opinion
•
Model historical rating data
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Future Condition
What will happen tomorrow?
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4. Network Level Measure
•Service Cycle
•Management System - RoadSoft
•Historical distribution
Road Rating Distribution 2004
45
•NCPP Network Health
40
Lane Miles
35
30
25
20
15
10
5
0
1
2
3
4
5
6
PASER Rating
7
8
9
10
National Center for
Pavement
Preservation
Michigan
Local Technical
Assistance Program
Network Level Vs. Project Level
Project: Moving pieces
Network: Winning game
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Service Cycle
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•
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How big is the network?
How much of the network do I do work on?
How long will it take to “touch” the entire network?
Is this longer than the expected life of my pavement?
EXAMPLE
500 lane mile road network
Do 10 lane miles of work each year
Takes 500/10 = 50 years to touch all of the network
Asphalt pavement only last 15 years
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•
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Distribution Of Ratings
2004 PASER Ratings
45
40
Lane Miles
35
30
25
20
15
10
5
0
10
9
8
7
6
5
4
PASER Rating
3
2
1
Getting Better Or Worse?
2009 PASER Ratings
45
40
Lane Miles
35
30
25
20
15
10
5
0
10
9
8
7
6
5
4
PASER Rating
3
2
1
National Center for Pavement
Preservation
http://www.pavementpreservation.org
Michigan
Local Technical
Assistance Program
NCPP Network Condition Health
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•
# Of Lane Miles in your network
Same number of RSL lost each year
•
How it works . . .
Programmed Activity (reconstruction, chip seal, etc.)
Fix Cost (per lane mile)
Extended Service Life (ESL)
# of Lane Miles Fixed
Result
• Lane Mile Years per Fix
Total for Entire Network
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•
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NCPP Network Condition Health
MI Example—625 Lane Mile Network
Programmed
Activity
Fix Cost
per Lane
Mile
ESL
Years
# of Lane
Miles of Fix
Lane
Mile
Years
Total Cost
Reconstruction
$530,000
15
4
60
$2,120,000
Rehabilitation
$170,000
14
6
84
$1,020,000
Mill & Overlay
$68,000
8
5
40
$340,000
Non Struc. Ovl.
$32,000
2
7
14
$224,000
$4,800
1
6
6
$28,800
Crack Seal
204
$3,732,800
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NCPP Network Condition Health
Group Exercise
625 Lane Mile Network
$3,732,800 maximum budget
Treatment candidate available lane miles
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•
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•
Reconstruction = 150 lane miles
Rehabilitation = 100 lane miles
Mill & Overlay = 115 lane miles
Non Structural Overlay = 80 lane miles
Crack Seal = 100 lane miles
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NCPP Network Condition Health
Group Exercise
Now you try to manage the network.
Open Interactive Chart
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Network Level Strategy Analysis
Using RoadSoft
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Future Condition –
Critical to telling your story
Source:
Source: Michigan
Michigan Tech
Tech Transportation
Transportation Institute.
Institute.
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Network Level Strategy Analysis
Using RoadSoft – Worst First Strategy
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Network Level Strategy Analysis
Using RoadSoft – Mix of Fixes Strategy
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Network Level Strategy Analysis
Using RoadSoft - Comparision of Strategies
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Questions?
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