The Mount Baker Tunnel or Mount Baker Ridge Tunnel carries Interstate 90 under the Mount Baker neighborhood of Seattle, Washington. It is actually a group of three tunnels that carry eight lanes of freeway traffic, plus a separate path for bicycles and pedestrians. The two originals are twin tunnel bores completed in 1940 and rehabilitated in 1993. The newest tunnel was built north of the original tunnels and opened in June 1989. The tunnel has a double-decked roadway with the bicycle/pedestrian path above the traffic lanes.
The tunnel was listed on the National Register of Historic Places in 1982. The east portals of the tunnel, with murals titled Portal of the North Pacific designed by artist James FitzGerald, along with the Lacey V.
Wikipedia https://en.wikipedia.org/wiki/Mount_Baker_Tunnel
Address 1439 Martin Luther King Jr Way S, Seattle 98144, United States
Coordinates 47°35'24.945" N -122°17'52.047" E
