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Explore value pricing strategies for Portland's freeway system to manage congestion, finance bottleneck relief projects, and improve overall traffic performance. Utilize modeling tools and collaboration with key stakeholders to analyze impacts and propose solutions for implementation.
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2019 TRB Planning Applications ConferenceMat DolataSenior Transportation EngineerWSP USAMike MasonSenior PlannerODOT Region 1 June 2019
Portland region freeway system performance Percent change from 2015 to 2017 20% 13% 3% Hours of Congestion Daily vehicle hours of delay Population Source: ODOT 2018 Traffic Performance Report
Oregon HB 2017 on value pricing • Directs OTC to develop Value Pricing proposal on I-5 and I-205 • Seek approval from FHWA no later than December 31, 2018 • If approved, “the commission shall implement value pricing to reduce traffic congestion.”
Value pricing objectives • Manage congestion: use congestion pricing to manage [traffic] demand and encourage more efficient use of the transportation system • Finance bottleneck relief projects: as a means to finance the construction of roadway improvements that address identified bottleneck projects
Value pricing strategies Freeway Pricing Priced Lanes Priced Roadways Toll Collection • Open Road Tolling • Transponders or License Plate Recognition • No Toll Booths or Cash
Initial concepts (Round 1) No Tolls: RTP Baseline
Modeling tools • Oregon Statewide Integrated Model (SWIM) • Metro Regional Travel Demand Model • ECONorthwest Toll Optimization Model (TOM) • Metro Multi-criteria Evaluation Tool (MCE) • Motor Vehicle Emissions Simulator (MOVES) Use existing tools to meet aggressive project schedule Collaboration with ODOT, Metro, and consultant team
SWIM • Identifies potential impacts at statewide level • Changes in travel patterns on I-5/I-205 • Diversion to other highways
Metro TDM • Primary regional demand modeling tool • Use 2027 RTP Scenario – Network & Land Use • Traffic assignment results feed TOM & MCE • Tolling applied as equivalent time penalty based on VOT assumptions • Regional impacts & potential diversion
TOM • Designed for analyzing managed lane concepts • Analyzes freeway segments only. (I-5 and I-205) • Higher resolution of freeway performance (volume per lane, 5 minute increment) • Establishes tolling rates by segment (applies distribution for value of time) • Balanced objective to improve performance while minimizing diversion
MCE • Benefit-cost analysis (BCA) tool designed to compare economic, environment, and social/equity outcomes across alternatives • Monetizes impacts from travel demand model results • Identifies impacts for equity groups (historically marginalized communities) • Potential safety impacts on overall system
Conceptual modeling workflow Other Data OUTPUTS TOM TOM • Travel Time • Speed • Toll Rates Portal Archive Volume & Speed Demand Final Metro TDM (Kate) • Mode Share • VMT/VHD • Regional Diversion Preliminary Metro TDM (Kate) • Emissions • Community impacts on travel time MOVES Final Toll/ VOT MCE SWIM • Statewide Diversion
Priced Lanes on Northern I-5 Key Findings • Revenue and capital costs relatively low • Maintains two unpriced lanes in each direction, but high toll amount per user • Minimal congestion reduction • Limited diversion • Small mode shift to HOV
Priced Lanes on I-205 Priced Lanes on Southern I-205 Key Findings • Revenue and capital costs relatively low • Maintains two unpriced lanes in each direction, but tolls new lane • High toll amount per user • Minimal congestion reduction • Limited diversion • Few transit and multimodal travel options
Priced Roadway on Central I-5 Key Findings • Strong congestion reduction and time savings • Modest diversion • Dense network of transit and multi-modal facilities • Significant revenue generation • Lower per trip toll than single lane concepts • Small mode shifts to HOV and active modes
Priced Roadway on I-5 & I-205 Key Findings • Greatest potential for regional congestion reduction • Higher probability of diversion • Highly varied access to transit and multi-modal options • Highest revenue potential • Lower per trip toll than single lane concepts • Best mode shifts to HOV and active modes
Priced Roadway on Abernathy Bridge – Tested for Revenue Potential Key Findings • Can be implemented using variable toll rates • Congestion reduction and travel time savings for drivers • Some traffic diversion to I-5 and arterials • Mitigation strategies needed • Potential funding for half or more of I-205 widening/bridge project
Consultant recommendation Phased implementation with comprehensive planning Initial implementation Implement in conjunction with complementary mobility and equity strategies.
Congestion pricing on I-5 and I-205 We are here
Proposed locations • Interstate 205 on or near the Abernethy Bridge • Interstate 5 in the vicinity of N Going/ Alberta St to SW Multnomah Blvd
Community mobility and equity priorities Improve public transit & other transportation choices Provisions for low- income and environmental justice communities Strategies to minimize impacts of diversion
Thank you! More information about the project available at the Value Pricing Feasibility Analysis website: www.odotvaluepricing.org