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TCRP Report 145: Reinventing the Urban Interstate: A New Paradigm for Multimodal Corridors (2011)
Transit Cooperative Research Program (TCRP)

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Carroll, Michael, Ferrell, Christopher E, Levinson, Herbert S, Reinke, David, Appleyard, Bruce, Dowling, Richard, Cervero, Robert, Ashiabor, Senanu, Deakin, Elizabeth, Transportation Research Board. "Transit-Optimized/Freeway-Constrained Multimodal Corridors." TCRP Report 145: Reinventing the Urban Interstate: A New Paradigm for Multimodal Corridors. Washington, DC: The National Academies Press, 2011.

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Page
75
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Page
75
Front Matter (R1-R9)
Summary (1-9)
Our Deteriorating Interstates - The Opportunity (10-10)
Freeways and Transit - Inherent Conflicts and Potential Solutions (11-11)
Why Build a Multimodal Corridor? (12-12)
A New Paradigm for Multimodal Corridors - Segmented Travel Markets (13-15)
Conclusions: The Evolution of Multimodal Corridors Over Time (16-16)
The Historical Evolution of Multimodal Corridors (17-20)
A Brief History of Multimodal Project Funding (21-23)
Conclusions: History as Context - History in Context (24-25)
Types of New Paradigm Multimodal Corridors (26-30)
Corridor Evolution (31-33)
The Old and New Paradigms Compared (34-35)
Multimodal Corridor Design and Operational Tradeoffs (36-43)
Summary and Conclusions (44-45)
Key Characteristics of New Paradigm Corridors (46-57)
Summary and Conclusions (58-59)
New Institutional Relationships (60-69)
Interagency and Intermodal Cooperation and Collaboration (70-72)
Summary and Conclusions: How to Turn Stakeholders into New Paradigm Project Partners (73-73)
Park-and-Ride-Access Multimodal Corridors (74-74)
Transit-Optimized/Freeway-Constrained Multimodal Corridors (75-75)
Appendix A - Multimodal Corridors Table (76-78)
Appendix B - Evidence on the Patronage Impacts of Multimodal Corridors (79-96)
Appendix C - Applying Conventional Planning Concepts Toward a New Paradigm (97-106)
Appendix D - Existing Multimodal Corridor Case Studies (107-145)
Appendix E - Glossary of Terms (146-148)
Abbreviations used without definitions in TRB publications (149-149)

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OCR for page 75
75 · Automobile-oriented urban form cooperation, a clear definition of roles, and statements of · Automobile-oriented station access resource commitments from each stakeholder. Partner- · Corridor serves large central business district ships can also elect to form a joint agency that combines staff and resources from all participating stakeholders. These Transit-Optimized/ project-specific organizations (such as those created for the Freeway-Constrained T-REX project) can be very effective at improving cross- Multimodal Corridors organizational communications and providing a clear struc- ture for decision making. A transit-optimized/freeway-constrained multimodal cor- · A project planning and design process that seeks to cre- ridor is designed to give transit a performance advantage in ate segmented, specialized corridor travel markets for the corridor by constraining the capacity and performance of each mode of travel. These segmented markets can be de- the freeway. This travel market segmentation is achieved veloped using the planning and design tools discussed in through the following means: this report such as the following ­ Segmented corridor urban form patterns within the · Capacity-constrained freeway corridor that help provide a travel market friendly to · Hybrid corridor configuration each mode of travel. Successful new paradigm corridor projects consist of several ­ Complementary multimodal coordination between critical components: high-capacity modes/facilities such as transit and free- ways. · A long-term vision for the corridor that includes both a ­ Targeted transit station access facilities and services that desired end-state (for example, a transit-oriented corridor) are consistent with the surrounding urban form patterns and the necessary steps to achieve that end-state. (planned or existing) and the desired multimodal coor- · A committed, diverse, and flexible collection of project dination plan. Station access designs include stakeholders. These partnership commitments need to be Intermodal stations that encourage freeway-to-transit formalized using joint powers agreements, memorandums transfers and bus-to-transit transfers of understanding, concept of operations, and other contrac- Transit-oriented stations that encourage non- tual documents that provide a structure for inter-agency automotive modes of travel to and from stations