15th Ave W / 15th Ave NW:
This “Jersey Freeway” in Seattle runs between W. Raye Street and NW 52 St.

Junction Log:

Segment Type of Access
Dravus St Diamond interchange
W. Emerson St / W. Nickerson St Folded diamond interchange / Westbound Nickerson to Southbound 15 Ave W flyover
NW Leary Way Diamond interchange


Airport Way:
Airport Way, located south of Seattle, is an expressway between Boeing Access Rd and S. Hardy St. The highway has 4 lanes separated by a painted traffic island along the entire legnth. The speed limit is 45 mph. The expressway lies between the BNSF railroad mainline tracks and Boeing Field. Along Boeing Field, Perimeter Rd acts as a frontage road.

Junction Log (Northbound):

Segment Type of Access
Boeing Access Rd Trumpet interchange - Boeing Access Rd is the through route.
S. Norfolk St Traffic light - LOCAL ACCESS ONLY
Military Rd At grade
Perimeter Rd At grade
Boeing Field: south gate Traffic light
Boeing field: north gate At grade
Perimeter Rd At grade
S. Hardy St/ To I-5 At grade; END EXPRESSWAY, Speed limit 35


Boeing Access Road:
This expressway south of Seattle runs between Martin Luther King Jr Way S. (SR 900) and E. Marginal Way S/Pacific Hwy S. It has 4 to 6 lanes and a speed limit of 40 mph.

Junction Log:

Segment Type of Access
Martin Luther King Jr Way S (WA 900) Traffic light
I-5 Partial cloverleaf interchange - In 2000, the offramp from I-5 south to Boeing Access Rd was revised to allow left turns onto Boeing Access Rd eastbound. A traffic light exists at this intersection.
Airport Way Trumpet interchange with Boeing Access Rd as the through route
East Marginal Way S. / Pacific Hwy S. Traffic light


Cathcart Way:
Cathcart Way (future WA 96) is an expressway between 69th Dr SE and WA 9.
Expressway proposed between 69th DR SE and Seattle Hill Road. Cathcart Way will carry a future WA 96 designation, and the Seattle Hill Road/Broadway Ave route will be dropped. At the west end of the expressway segment, Cathcart Way turns into 132 St SE and then 128th ST SE. This piece is also part of WA 96.


Evergreen State College Parkway:
This expressway in Olympia connects Evergreen State College to the US 101 freeway. From US 101 to Mud Bay Rd, it is a super-2 with a 50 mph speed limit, and from Mud Bay Rd to the college, it is 4-lane divided with a 40 mph speed limit.

Junction Log:

Segment Type of Access
US 101 y-interchange towards the east. (College-bound traffic uses US 101 north)
Mud Bay Rd diamond interchange
  There are three at-grades on the expressway after Mud Bay Rd


Lake Hills Connector:
The Lake Hills Connector is a 4-lane divided expressway in Bellvue with a 40 mph speed limit. There are no driveways on the highway.

Junction Log:

Segment Type of Access
I-405 northbound ramps / 116 Ave SE traffic light
SE 8th St / SE 7th Pl traffic light
Richards Rd traffic light
134 Ave SE at grade
140 Ave SE / 145 Pl SE traffic light


Lake Tapps Parkway:
Lake Tapps Parkway east of Tacoma is an expressway between Sumner Meadows Golf Course and Lakeland Hills Way SE. The expressway is divided with an eastbound truck lane, and has a speed limit of 45 mph. In the future, an extension to WA 167 is proposed and an extension to I-5 is possible.

Junction Log:

Segment Type of Access
East Valley Highway folded diamond


Padden Parkway:
Padden Parkway is a new expressway on the north side of Vancouver. The 4-lane divided expressway is on a limited access ROW and has traffic lights at major cross streets. The expressway runs from NE Andresson Rd to NE Wards Rd and an extension west to I-5 at NE 78th St is planned. The speed limit is 50 mph.

Junction Log:

Segment Type of Access
I-5 when built, this will be a SPUI interchange
I-205 6-ramp par-clo interchange
  There are two other overpasses, but the rest of the major intersections have traffic lights


Schuster Parkway:
Schuster Parkway is a 4-lane divided expressway in Tacoma that connects the end of the I-705 freeway to “Old Tacoma.” The speed limit is 40 mph.

Junction Log:

Segment Type of Access
Pacific Ave / Stadium Ave (northern end of I-705) two y-interchanges
South 4th St / Dock St traffic light
Ruston Way / North 30th St y-interchange



Chris Kalina, Mark Bozanich, Stephen Dailey


Last Updated: 12/26/05

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