Seattle First Hill Streetcar
Unique design improves streetcar operations and increases pedestrian and bicycle safety.
Quick Facts
Provided innovative traffic analyses, modeling, and traffic engineering design services for this multimodal corridor
2.5 mile streetcar serving First Hill and Capitol Hill neighborhoods
One-mile, two-way protected cycle track on east side of Broadway
45 street blocks and 45 intersections
Results
Creates a safe multimodal corridor
Improves streetcar operations while reducing impacts on autos, bus, bicycles, parking, pedestrians and businesses
Attracts more cyclists by creating an innovative cycle track design that ensures safety and integrates pedestrians, bicycles, and the streetcar
Provides safe and efficient access to properties and businesses
Will minimize transit delay, increase ridership and reduce collisions while providing access to properties and businesses
Our Work
Lead traffic engineer
Developed cycle track alternatives
Used Synchro and Vissim to model and evaluate auto, bus, and streetcar operations and select preferred alternative
Designed 27 existing and 4 new traffic signals, including modifications to existing signal spans and vehicle heads to accommodate new streetcar catenary system
Designed dedicated bicycle signals and bicycle detection
Designed transit signal priority to improve streetcar operations
Designed traffic signal phasing, lighting, signing, striping, and channelization to improve operations and safety
Designed interconnect plans to communicate between streetcar and traffic signal systems