SR 167 Extension Comprehensive Tolling Study Round 1 ...€¦ · SR 167 Extension Comprehensive...
Transcript of SR 167 Extension Comprehensive Tolling Study Round 1 ...€¦ · SR 167 Extension Comprehensive...
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SR 167 Extension Comprehensive Tolling Study
Round 1 Preliminary Results
Stakeholder Committee Meeting
September 27, 2011
Paula HammondSecretary of Transportation
Steve ReinmuthChief of Staff
David Dye Deputy Secretary
WSDOT SR 167 Tolling Study Team
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What We Did at the Last Meeting
• Reviewed the 2010 Toll Feasibility Study
• Reviewed 19 different phasing options
• Selected three options for further analysis• Selected three options for further analysis
• Endorsed the evaluation criteria
• Reviewed the Public Opinion Survey
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What We Are Doing Today
• Review first round analysis results
• Discuss and decide what to analyze next
• Discuss the public outreach plan• Discuss the public outreach plan
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Full Build (formerly Option 1)
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Option A (formerly Option 2)
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Option B (Formerly Option 9A)
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Basic Toll Concepts
• Single point tolling (TNB)
• Segmental tolling
• Fixed rate tolling (TNB)
• Variable tolling (SR 167 HOT lane, SR 520)• Variable tolling (SR 167 HOT lane, SR 520)
For this study:
• Segmental tolling
• Variable tolling
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Full Build (formerly Option 1)
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Option A (formerly Option 2)
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Option B (Formerly Option 9A)
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Option C (Option B plus toll existing SR 167)
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Analysis Assumptions
• All vehicles except transit pay tolls
• Toll rates vary by time of day based on level of congestion
• Trucks pay higher tolls
• Toll rates are set toward revenue generation
• Traffic model was adjusted for downward trend in regional job and population forecasts by 3% and 1% respectively to reflect recent economic downturn.
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Value of Time (VOT)
• People’s willingness to pay a toll depends on:
• Perception of what their time is worth
• Available options to avoid/reduce toll
• Trip type/destination
• Updated VOT drawn from SR 520 Investment Grade • Updated VOT drawn from SR 520 Investment Grade study:
• Average work trip: reduced from $26.25/hour to $14.70/hour, nearly 50% reduction.
• Non-work trip: reduced from 19.00/hour to $13.25/hour, a 30% reduction.
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Nexus between Tolling and Traffic
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Relationship between Toll Rate, Traffic and Revenue
Tra
ffic
Vo
lum
e
Revenue
Toll rate
Tra
ffic
Vo
lum
e
Traffic
Max revenue toll
0
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Full Build, Option A & B Toll Rates by Segment
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$1.50
$2.00
$2.50
$3.00
Peak
Option C Toll Rates Tested
$-
$0.50
$1.00
$1.50
West of I-5 I-5 to SR 161 East of SR 161
Peak
Off Peak
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Estimated 2030 Weekday Gross Toll Revenue
$60,000
$80,000
$100,000
$-
$20,000
$40,000
Full Build Option A Option B Option C
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Performance of Alternatives
• Vehicle Miles of Travel (VMT)
– Number of Vehicles on a road way link multiplied by the length of that link
– Sum this for all roadway links in the study area
• Delay
– Congested Travel time on a roadway link is one of the output from – Congested Travel time on a roadway link is one of the output from Travel Demand Model.
– Vehicle of hours of Travel (VHT) in the study area is calculated as:
• Congested travel time multiplied by number of vehicles on that road way section gives us the vehicles hours of travel for that roadway
• Sum this for all roadway links in the study area
– Delay Reduction in the study area is calculated as follows:
• No Build alternative VHT minus a given Alternative VHT
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Study Area Defined for the Analysis
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2030 PM Peak Period Vehicle Miles of Travel in the Study Area
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2030 PM Peak Delay Reduction in the Study Area compared to No Build Option
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Assessing Extension Usage: Volume to Capacity Ratio
• Typically a freeway lane is able to carry 2000 vehicles/hour
• Utilization = Volume / Capacity x 100%
• Traffic engineers use peak hour volume to capacity ratio • Traffic engineers use peak hour volume to capacity ratio (V/C) to assess how fully a corridor is used and how congested it might be.
• A V/C of 0.9 or higher indicates potential congestion.
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Full Build Extension Utilization 2030 PM Peak Percentage of Volume to Capacity Ratio
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Option A Extension Utilization 2030 PM Peak Percentage of Volume to Capacity Ratio
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Option B Extension Utilization2030 PM Peak Percentage of Volume to Capacity Ratio
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Option C Extension Utilization2030 PM Peak Percentage of Volume to Capacity Ratio
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What Did We Find from V/C Analysis?
• By 2030, the Full Build option would approach congestion if it is not tolled.
• Tolling is expected to reduce the extension usage
– The segment west of I-5 is more sensitive to tolling than the east segment
– For the Full Build and Option A, with the toll rate as tested, less than half of the capacity is expected to be used by 2030 east of I-5, while half of the capacity is expected to be used by 2030 east of I-5, while less than one fifth of capacity utilization is expected west of I-5
– For Option B and C, about three quarter of the capacity is expected to be used east of I-5, while the usage is expected to approach one fifth west of I-5
– Spreading a portion of the toll to the existing SR 167 just east of SR 161 would help balance the flow and increase revenue generation. But it introduces potential equity issue
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2030 Full Build – Truck Volume per Hour(pickup trucks included)
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2030 Option A – Truck Volume per Hour
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Corridor Performance Analysis
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Port of Tacoma to Sumner Corridor Travel Time Comparison – 2030 PM Peak Period
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Downtown Tacoma to Puyallup Corridor Travel Time Comparison – 2030 PM Peak Period
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I-90Corridor to Port of Tacoma via SR 18 - Travel Time Comparison – 2030 PM Peak Period
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Port of Tacoma to Frederickson Corridor Travel Time Comparison – 2030 PM Peak Period
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Bellevue to Puyallup via SR 167 - Corridor Travel Time Comparison – 2030 PM Peak Period
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Summary Findings
• Tolling is expected to reduce demand by about half
• For the sections with more than 1 lane each direction, model analysis indicates surplus capacity
• Adding a toll point on the existing SR 167 just east of SR 161 would161 would
– Increase toll revenue
– Increase the extension usage
– Balance traffic flow
• With the updated assumptions, daily gross revenue is expected to be less compared to the 2010 Toll Feasibility Study
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Developing/Endorsing Options for Second-Round analysisfor Second-Round analysis
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Questions to Keep in Mind in Developing 2nd Round Options
• How do we leverage on the findings from the first round analysis?
• How can we get the analysis done most efficiently? most efficiently?
• How to fit phased approach with the ultimate vision of the corridor and the system as a whole?
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Specific Things to Focus On
• Number of lanes:
Which option/s analyzed in Round 1 provide reasonable capacity? Are there any other configurations do you want staff to test?
• Toll locations:
Which tolling option shows the most promise? Are there different ways of tolling that you would like to test?
• Toll Rates:
Toll for maximum revenue or system performance?
• Anything else?
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Overall Schedule & Next Meeting
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Study Schedule & Milestones