There’s a law of economics that says more urban highways mean more traffic. We looked at a real-world examples in Portland, San Francisco, and Seattle to see if that’s the case.
Further Reading:
CityLab University: Induced Demand
Vox: How Highways Wrecked Urban American Cities
Congress for New Urbanism – Highways to Boulevards
https://www.cnu.org/resources/project-database?tags[182]=182Harbor Drive
https://www.cnu.org/highways-boulevards/model-cities/portlandEmbarcadero Freeway
https://www.cnu.org/what-we-do/build-great-places/embarcadero-freeway
Governor Tom McCall – Oregon Historical Society
Law of Peak Hour Expressway Congestion
“From elevated freeways to surface boulevards: neighborhood and housing price impacts in San Francisco” by Robert Cervero , et al.
Impacts of Road Capacity Removal
FHWA – Interstate History
https://www.fhwa.dot.gov/infrastructure/50interstate.cfm
https://www.fhwa.dot.gov/interstate/faq.cfm
Case studies in Urban Freeway Removal