Multimodal connections to the shoreline south regional transit hub

This $10,958,821 Formula Grant award from the Federal Highway Administration (CFDA 20.205 - Highway Planning and Construction) supports a comprehensive set of multimodal transportation improvements in Washington state. The key products and services to be delivered include:

(A) Construction of Phase 2 of the 148th St. pedestrian/bicycle bridge over I-5, including improvements on the west side of I-5 such as ramps and stairs.

(B) Right-of-way acquisition and construction for Phase 2 of SR 523 (N/NE 145th St) to resurface, add buffered sidewalks, left turn lanes at Meridian Ave, and transit/utility improvements between Corliss Ave and Wallingford Ave.

(C) Right-of-way acquisition and construction for Phase 3 of SR 523 (N/NE 145th St) to resurface, add buffered sidewalks, channelization and queueing improvements at SR 99, and transit/utility improvements between Wallingford Ave and SR 99.

(D) Construction of bike lanes, sharrows, sidewalks, and signage along several local streets including 148th St, Corliss Ave, 150th St, Ashworth Ave, 157th St, Midvale Ave, and 160th St.

This grant supports the Washington State Department of Transportation's efforts to enhance multimodal transportation connectivity and infrastructure in the Shoreline South regional transit hub area. The award was made on February 10, 2025.

Project description

(a) - CN for phase 2 of the 148TH ST. PED/bike bridge spanning I-5 and improvements on the west side of I-5 including ramp and stairs. (B) - RW & CN for phase 2 of SR 523 (N/NE 145TH ST) to resurface, buffered sidewalk, add left turn lanes at meridian AVE, and transit and utility improvements between corliss AVE and wallingford AVE. (C) - RW & CN phases of phase 3 of SR 523 (N/NE 145TH ST) to resurface, buffered sidewalk, channelization and queueing at SR 99, and transit and utility improvements between wallingford AVE and SR 99. (D) - CN phase for bike lanes and sharrows, sidewalk, and signage along 148TH ST, corliss AVE, 150TH ST, ashworth AVE, 157TH ST, midvale AVE, and 160TH ST.