Transportation & Infrastructure Projects
502/503 Congestion Relief Project
502/503 Congestion Relief Project
December 26: Phase-1 Project Update
The major traffic revisions associated with the SR-502/503 Congestion Relief Project – Phase I are in place. NW 5th Way opened on December 5 and on December 6 the Main St/12th Ave signal was removed and the intersection restricted to right-hand turns only.
The contractor continues to finalize the traffic revisions with:
Construction to complete the permanent median on Main St between 12th and 15th Avenues
Striping to extend the southbound left turn pocket on 15th Ave. (component “C” as noted on the project map)
Revised striping on 12th Ave between Jack-in-the-Box and the Fred Meyer gas station
Installation of a center curb on NE 1st St to restrict westbound vehicles from turning left into the Fred Meyer gas station. This will improve the flow of westbound traffic on NW 1st St.
Permanent striping on NW 5th Way
We anticipate this work to be completed by mid-February, but the timeline remains weather dependent.
In the meantime:
Based on new traffic flows associated with the project, WSDOT is analyzing traffic signal timing efficiencies at the Main St (SR-502) & 15th Ave intersection as well as the larger SR-502/503 intersection.
A study is currently underway to determine if additional striping and/or parking restrictions on NW 1st St, between 12th and 15th Avenues, might enhance traffic flow.
Design on Phase II of the project is underway. Phase II construction includes dedicated right-hand turn lanes at each leg of the SR-502/503 intersection and revisions to turn lanes on Main Street just east of the intersection. In addition, SW 1st St will be extended from SW 15th to SW 12th Avenue. Construction on the various Phase II projects will take place over two years starting in summer/fall 2018.
Project Targets Gridlock on Main Street and at the SR-502/503 Intersection
Eighteen years ago in 1999, when the city’s population was only 9,000, a new signalized intersection was installed at 12th Ave & Main St leading into the then-new Fred Meyer shopping center. At that time, officials from the city, WSDOT, and Fred Meyer recognized and agreed that the signal, with its close proximity to the SR 502/503 intersection, would one day create congestion, need to be removed, and an alternate access to the shopping center be constructed. That day has arrived.
Currently, 50,000 vehicles pass through the 502/503 intersection each day and the city’s population is over 20,000. If you traveled through that intersection, you likely experienced the congestion and gridlock first-hand.
Phase 1 includes three components related to the signalized intersection leading to the Fred Meyer shopping area:
(A) The extension of NW 5th Way, just north of Fred Meyer, to SR 503. This provides the additional access point to and from the shopping area with right-in and right-out access.
(B) Removal of the existing traffic signal at 12th Ave and Main St and the installation of a center median at that location which will restrict access to right-in and right-out traffic only. (This will occur only after the NW 5th Way extension is complete and open to traffic.)
(C) Extension of the left turn lane on NW 15th Ave between NW 1st Ave and Main St. This turn lane extension will add capacity for vehicles turning east onto Main St.
Phase 2 - Projected for 2018/19
Phase 2 includes 3 components:
(1) the addition of right-hand turn lanes at SR 502/503 so that each leg of the intersection will have a dedicated right-hand turn lane;
(2) an extended left-hand turn lane from Main St to W. 8th Ave (the Safeway shopping area); and
(3) the extension of SW 1st Way eastward to SW 12th Ave to allow for better connectivity.
Phase 3 - Projected for 2020/21
Phase 3 will add a roadway connecting SR 503 with N. Parkway just north of Battle Ground High School. The new connector will provide an alternative route for school and other traffic, relieving further congestion on Main Street.
Two smaller projects near Fred Meyer will add a dedicated right-hand turn lane for southbound to westbound traffic at the intersection of NW 12th Avenue and NW 1st Street, and the addition of a second left-hand turn pocket for southbound to eastbound traffic at the intersection of NW 15th Avenue and West Main Street.
The entire 3-phase SR-502/503 Congestion Relief Project, estimated at $7.7 million, is funded by the state’s
program over period of 3-biennium.
For more information about the 502/503 Congestion Relief Project, contact Public Works Director Scott Sawyer at
or at 360-342-5075.
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