using multimodal performance measures to prioritize ... · acres of unserved transit supportive...
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Portland State UniversityPDXScholar
TREC Friday Seminar Series Transportation Research and Education Center(TREC)
4-24-2015
Using Multimodal Performance Measures to PrioritizeImprovements on US 101 in San Luis Obispo CountyJessica BerrySan Luis Obispo Council of Governments
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Recommended CitationBerry, Jessica, "Using Multimodal Performance Measures to Prioritize Improvements on US 101 in San Luis Obispo County" (2015).TREC Friday Seminar Series. Book 51.http://pdxscholar.library.pdx.edu/trec_seminar/51
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4/24/2015
Using Multimodal Performance Measures to Prioritize Improvements on US 101 in San Luis Obispo County
Jessica BerrySan Luis Obispo Council of Governments
4/24/15
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SAN LUIS OBISPO
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Mission: To establish and maintain an effective transportation system and enhance the high quality of life in San Luis Obispo County by providing resources and solutions and promoting collaborative inter-governmental relationships
SLOCOG
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SLOCOG
• Association of governments – 7 cities & SLO County
• Big picture view of transportation planning
• Build consensus, makes strategic plans, obtains and allocates resources
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Programming and Project
Delivery
Fund and monitor projects
throughout the County
Maintain and update
Transportation Improvement Program lists
Review and comment on local
development projects and long
range plans
Administration and Public
Transportation
Collaborate with Transit Agencies, fund and monitor
transportation projects
Administer County-wide Park
& Ride lot program
Administer State and Federal
grants
Long Range Planning
Regional Transportation
Plan
US 101 Corridor Mobility Master Plan, Trail Plans
Regional Housing Needs
Assessment
Data Services
GIS
Traffic, Land Use, Air Quality Modeling
Census data
Growth forecasts
Rideshare
Bike Month
Safe Routes to School
Back N Forth Club
Rideshare Month
Other outreach campaigns
WHAT WE DOArroyo Grande
Atascadero Grover Beach
Morro Bay
Paso Robles
Pismo Beach
San Luis Obispo
San Luis Obispo County
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US 101 CORRIDOR MOBILITY MASTER PLAN
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US 101 CORRIDOR MOBILITY MASTER PLAN
Phase 1 -Focus Segments• Website• Interactive web tool• Intercept interviews• 3 Public workshops• 14 agency meetings
Phase 2 –Improvement Concepts • Interactive web tool• 5 county/council meetings• 3 public workshops• 2 KSBY interviews
Phase 3Evaluation & Selection• 9 county/council meetings• One workshop
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SMART MOBILITY FRAMEWORK
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US 101 CORRIDOR MOBILITY MASTER PLAN
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PERFORMANCE METRICSPhase 1 Performance Metric Score 0-10
1. US 101 Mainline Level of Service LOS A-C=0, LOS D=2.5, LOS E=5, LOS F=102. US 101 Merge Diverge Level of Service LOS A-C=0, LOS D=2.5, LOS E=5, LOS F=103. US 101 Weave Level of Service LOS A-C=0, LOS D=2.5, LOS E=5, LOS F=10
4. US 101 Safety (accidents)
Crashes per MVMT </= expected (using TASAS, as compared to facilities in California)=00.1675>expected=2.50.335>expected=50.5025>expected=7.50.67>expected=10
5. US 101 Emissions*
Tons of CO2 with Paveley I+LCFS (0) = 0Tons of CO2 with Paveley I+LCFS (.755) = 2.5Tons of CO2 with Paveley I+LCFS (1.51) = 5Tons of CO2 with Paveley I+LCFS (2.265) = 7.5Tons of CO2 with Paveley I+LCFS (3.02) = 10
6. Parallel Roadway ConnectivityFrontage roads or adjacent routes = 0Alternate route tht is slower or longer = 5No alternate routes = 10
7. Parallel Roadway Intersection Level of Service LOS A-C=0, LOS D=2.5, LOS E=5, LOS F=10
8. Parallel Roadway Safety*
Number of Parallel Network Crashes (0) = 0Number of Parallel Network Crashes (31) = 2.5Number of Parallel Network Crashes (62) = 5Number of Parallel Network Crashes (92) = 7.5Number of Parallel Network Crashes (123) = 10
Number of people living between grade separated crossings (4,490) 10*Values are continuous, the number shown and corresponding value are reference points
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PERFORMANCE METRICS
9. US 101 Corridor Park and Ride Coverage
Park and Ride Scoring Criteria Score (Cumulative based on P&R characteristics) Lot is Over Capacity = 0.7 Adjacent Speed Limit > 35 MPH = 0.7 Lot is not Equipped with Secure Bicycle Parking = 0.7 Lot is not Attached to Bicycle Facility Network = 0.7 Lot is not Connected by Sidewalk = 0.7 Lot is not served by Transit = 0.7 Lot is not Equipped with Bench / Shelter = 0.7 Segment is > 3 miles from a Park and Ride = X2 Score of best P&R Within 10 Miles Segment > 10 miles from a Park and Ride = 10
10. US 101 Corridor Transit Coverage*
Acres of unserved transit supportive land (0) = 0Acres of unserved transit supportive land (27.25) = 2.5Acres of unserved transit supportive land (54.5) = 5Acres of unserved transit supportive land (81.75) = 7.5Acres of unserved transit supportive land (109) = 10
11. US 101 Corridor Bicycle Connectivity
Bicycle Route < 110% the length of the US 101 Route = 0 Bicycle Route >= 110% of the US 101 Route or bicycles must use US 101 = 5 0% with no amenity = 0 100 % with no amenity = 5
12. US 101 Corridor Pedestrian Connectivity (within1/2 mile of facility)*
Number of people living between grade separated crossings (0) = 0Number of people living between grade separated crossings (1,123) = 2.5Number of people living between grade separated crossings (2,245) = 5Number of people living between grade separated crossings (3,368) = 7.5Number of people living between grade separated crossings (4,490) = 10
*Values are continuous, the number shown and corresponding value are reference points
Phase 1 Performance Metric Score 0-10
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US 101 CORRIDOR MOBILITY MASTER PLAN
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US 101 CORRIDOR MOBILITY MASTER PLAN
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US 101 CORRIDOR MOBILITY MASTER PLAN
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US 101 CORRIDOR MOBILITY MASTER PLAN
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US 101 CORRIDOR MOBILITY MASTER PLAN
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US 101 CORRIDOR MOBILITY MASTER PLAN
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FOCUS STUDY SEGMENTS
Focus Segment 4– Spring St. (S) to Spring St. (N)– 4.4 miles
Focus Segment 3– SB I/C to Vinyard Dr. I/C– 8.8 miles
Focus Segment 2– LOVR I/C to Monterey Street I/C– 4.5 miles
Focus Segment 1– Traffic Way I/C to Avila Beach I/C– 8.7 miles
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IMPROVEMENT CONCEPTS
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US 101 CORRIDOR MOBILITY MASTER PLANFOCUS STUDY SEGMENT FOUR
www.slocogconnectingcommunities.com
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MEASURES OF EFFECTIVENESS
Freeways & Intersections
Projects• Delay Savings• Emission
Reduction• Crash Reduction
Multimodal Mobility Projects
• VMT Savings• Delay Savings• Emission
Reduction• Health
TDM Programs
• VMT Savings• Emission
Reduction
Network Improvement
Projects• VMT Savings• Emission
Reduction
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BENEFITS
Benefits
Delays $ / person hours
VMT
Direct fuel cost ($ / mile)
Non-fuel cost ($ / mile)
Safety $ / crash
Emissions $ / ton CO2-eq
Health $ / active trip
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BENEFIT/COST RATIO
Project B/C
Annualized Project
Benefits
Annualized Project Costs
Proj
ect S
elec
tion
Proc
ess B/C Ratio
Total CostPolicy ConsistencyCommunity SupportEquity
Multimodal Improvement Packages
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MOVING THINKINGFORWARD
Smart Mobility Framework
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US 101 CORRIDOR MOBILITY MASTER PLAN
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Travel time reliability is:– The distribution of travel times that a
traveler should anticipate if starting a trip at a given point at a given time and day.
TRAVEL TIME RELIABILITY
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Old days (Capacity-oriented)
– Network build-out and expansion
– Secure funding environment
– Traditional performance metrics
New way (Reliability-oriented)
– How best to manage the system we have
– Financial, environmental and public perception problems
– Improvements that affect reliability more than capacity
WHY IS TRAVEL TIME RELIABILITY IMPORTANT?
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WHAT ARE THE CAUSES OF UNRELIABILITY?
Causes of unreliabilityDay to day variations in travel time
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Nobody really knows. US Experience (Exhibit 37-1 HCM)
– 95% TTI on US Urban Freeways ranges from 1.09 to 3.60
• Median is 1.47– 95% TTI on US Urban Arterials ranges from 1.27
to 1.98• Median is 1.44
Recent TRB paper
WHAT IS GOOD RELIABILITY?
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US 101 Case study Corridor-wide Results– Existing Condition Reliability on US 101
• AM Southbound - ~7.5 min buffer time• AM Northbound - ~3.5 min buffer time• PM Southbound - ~6.0 min buffer time• PM Northbound - ~3.0 min buffer time
US 101 Case Study Focus Area Results– Existing Condition Reliability on US 101
• Five City area – PM Peak both N/S• SLO area – AM Peak both N/S• Paso Robles area – Both AM/PM both
N/S
US 101 CASE STUDY IN RELIABILITY
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US 101 CASE STUDY IN RELIABILITY
US 101 Case study Corridor-wide Results– Future Condition Reliability on US 101
• AM Southbound - ~7.5 min buffer time• AM Northbound - ~6.0 min buffer time• PM Southbound - ~6.0 min buffer time• PM Northbound - ~3.0 min buffer time
US 101 Case Study Focus Area Results– Future Condition Reliability on US 101
• Five City area – AM Northbound BTI (4.4%-15%)
• SLO area – PM Southbound BTI (11.1%-15.5%)
• Paso Robles area – Southbound BTI (6.9%-12.6%)
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Travel Time Reliability on US 101 – Generally good reliability corridor-wide
• < 8 minutes Southbound• < 4 minutes Northbound
– Anticipated to not dramatically change in the future
• Weather not a significant factor• Work zones not a significant factor• Collision rates generally at or below statewide
average for like facilities
US 101 CASE STUDY FINDINGS
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Travel Time Reliability on US 101 – Where do reliability issues occur:
• Five-City Area and City of San Luis Obispo– Southbound Direction– Northbound Direction (Five-City Area)
• Correlates to where the greatest congestion is projected to occur
• Supports US101 Mobility Master Plan– Buffer Time Increased B/C of HOV Improvement in
Segment 1 by 8%– Buffer Time Increased B/C of HOV Improvement in
Segment 2 by 4%
US 101 CASE STUDY FINDINGS
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