State Route 99 (SR 99), also known as the Pacific Highway, is a state highway in the Seattle metropolitan area, part of the U.S. state of Washington. It runs 49 miles (79 km) from Fife to Everett, passing through the cities of Federal Way, SeaTac, Seattle, Shoreline, and Lynnwood. The route primarily follows arterial streets, including Aurora Avenue, and has several freeway segments, including the tolled SR 99 Tunnel in Downtown Seattle. SR 99 was officially named the William P. Stewart Memorial Highway by the state legislature in 2016, after a campaign to replace an unofficial moniker honoring Confederate president Jefferson Davis.
The Alaskan Way Viaduct was an elevated freeway in Seattle, Washington, United States, that carried a section of State Route 99. The double-decked freeway ran north–south along the city's waterfront for 2.2 miles (3.5 km), east of Alaskan Way and Elliott Bay, and traveled between the West Seattle Freeway in SoDo and the Battery Street Tunnel in Belltown.
The Alaskan Way Seawall is a seawall which runs for approximately 7,166 feet (2,184 m) along the Elliott Bay waterfront southwest of downtown Seattle from Bay Street to S. Washington Street. The seawall is being rebuilt in the 2010s as part of a waterfront redevelopment megaproject estimated to cost over $1 billion.
State Route 525 (SR 525) is a 30.68-mile-long (49.37 km) state highway located in Snohomish and Island counties in the western region of the U.S. state of Washington. SR 525 begins at an interchange with Interstate 5 (I-5) and I-405 in Lynnwood and travels north to SR 99 as a four-lane controlled-access freeway. From Lynnwood, the highway serves Mukilteo and becomes the terminus of SR 526 before taking its ferry route to Clinton on Whidbey Island. SR 525 traverses the island's interior as part of the Whidbey Island Scenic Byway before the designation ends at an intersection with SR 20 south of Coupeville.
State Route 16 (SR 16) is a 27.16-mile-long (43.71 km) state highway in the U.S. state of Washington, connecting Pierce and Kitsap counties. The highway, signed as east–west, begins at an interchange with Interstate 5 (I-5) in Tacoma and travels through the city as a freeway towards the Tacoma Narrows. SR 16 crosses the narrows onto the Kitsap Peninsula on the partially tolled Tacoma Narrows Bridge and continues through Gig Harbor and Port Orchard before the freeway ends in Gorst. The designation ends at an intersection with SR 3 southwest of the beginning of its freeway through Bremerton and Poulsbo. SR 16 is designated as a Strategic Highway Network (STRAHNET) corridor within the National Highway System as the main thoroughfare connecting Tacoma to Naval Base Kitsap and a part of the Highways of Statewide Significance program.
State Route 526 (SR 526), also known as the Boeing Freeway, is a state highway in Snohomish County, Washington, United States. The east–west highway travels 4.52 miles (7.27 km) and connects SR 525 in Mukilteo to Interstate 5 (I-5) in southern Everett. The highway serves the Boeing Everett Factory and Paine Field; it also serves as a main route to the city of Mukilteo and the state-run ferry to Whidbey Island.
Transportation in Seattle is largely focused on the automobile like many other cities in western North America; however, the city is just old enough for its layout to reflect the age when railways and trolleys predominated. These older modes of transportation were made for a relatively well-defined downtown area and strong neighborhoods at the end of several former streetcar lines, now mostly bus lines.
State Route 480 was a state highway in San Francisco, California, United States, consisting of the elevated double-decker Embarcadero Freeway, the partly elevated Doyle Drive approach to the Golden Gate Bridge and the proposed and unbuilt section in between. The unbuilt section from Doyle Drive to Van Ness Avenue was to have been called the Golden Gate Freeway and the Embarcadero Freeway as originally planned would have extended from Van Ness along the north side of Bay Street and then along the Embarcadero to the San Francisco-Oakland Bay Bridge.
The Washington State Department of Transportation is a governmental agency that constructs, maintains, and regulates the use of transportation infrastructure in the U.S. state of Washington. Established in 1905, it is led by a secretary and overseen by the governor. WSDOT is responsible for more than 20,000 lane-miles of roadway, nearly 3,000 vehicular bridges and 524 other structures. This infrastructure includes rail lines, state highways, state ferries and state airports.
State Route 202 (SR 202) is a state highway in the U.S. state of Washington, serving part of the Seattle metropolitan area. It runs southeasterly for 31 miles (50 km) in the Eastside region of King County, connecting Woodinville, Redmond, Fall City, and North Bend. The highway begins at SR 522 in Woodinville, intersects SR 520 in Redmond and SR 203 in Fall City, and terminates at Interstate 90 (I-90) in North Bend. The entire highway is designated as the Cascade Valleys Scenic Byway, a state scenic and recreational highway.
State Route 524 (SR 524) is a suburban state highway in the U.S. state of Washington, located entirely within Snohomish County. It begins at SR 104 in Edmonds and travels east past SR 99, Interstate 5 (I-5), under I-405, past SR 527 and SR 9 to end at SR 522 in Maltby. The road also has two spur routes, one connecting to SR 104 in Edmonds and another connecting to I-5 in Lynnwood.
Interstate 90 (I-90), designated as the American Veterans Memorial Highway, is a transcontinental Interstate Highway that runs from Seattle, Washington, to Boston, Massachusetts. It crosses Washington state from west to east, traveling 298 miles (480 km) from Seattle across the Cascade Mountains and into Eastern Washington, reaching the Idaho state line east of Spokane. I-90 intersects several of the state's other major highways, including I-5 in Seattle, I-82 and U.S. Route 97 (US 97) near Ellensburg, and US 395 and US 2 in Spokane.
State Route 166 (SR 166) is a 5.13-mile (8.26 km) long state highway serving the city of Port Orchard within Kitsap County in the U.S. state of Washington. The highway begins at an interchange with SR 16 west of Port Orchard and travels along the Sinclair Inlet to Downtown Port Orchard and ends as Mile Hill Drive at Whitter Avenue near the eastern city limits. SR 166 was originally a branch of State Road 14 and later Primary State Highway 14 (PSH 14) before being designated as SR 160 after the 1964 highway renumbering. SR 160 was moved south in 1993 and the old alignment through Port Orchard became SR 166, which was extended in 2010 to the eastern city limits.
State Route 304 (SR 304) is a state highway in Kitsap County, Washington, United States. It connects SR 3, a regional freeway, to the Puget Sound Naval Shipyard and downtown Bremerton. The designation of SR 304 continues onto the Seattle–Bremerton ferry operated by Washington State Ferries to Colman Dock in Downtown Seattle, terminating at SR 519 on Alaskan Way.
State Route 305 (SR 305) is a 13.50-mile-long (21.73 km) state highway in the U.S. state of Washington, primarily serving Bainbridge Island in Kitsap County and connecting it to Seattle in King County via the Seattle–Bainbridge Island ferry. The highway travels north through Bainbridge Island and leaves the island on the Agate Pass Bridge into the Kitsap Peninsula. SR 305 continues northwest through Poulsbo, intersecting SR 307 and ending at the SR 3 freeway. The highway was created during the 1964 highway renumbering and was preceded by Secondary State Highway 21A (SSH 21A), established in 1937. The ferry, part of the highway since 1994, is served by the Jumbo Mark-II-classMV Tacoma and MV Wenatchee and operates on a 35-minute crossing time.
Alaskan Way, originally Railroad Avenue, is a street in Seattle, Washington, that runs along the Elliott Bay waterfront from just north of S. Holgate Street in the Industrial District—south of which it becomes East Marginal Way S.— to Broad Street in Belltown, north of which is Myrtle Edwards Park and the Olympic Sculpture Park. The right-of-way continues northwest through the park, just west of the BNSF Railway mainline, and the roadway picks up again for a few blocks at Smith Cove. It follows a route known in the late 19th century as the "Ram's Horn" because of its shape. The street gave its name to the Alaskan Way Viaduct, which until 2019 carried Washington State Route 99 through Downtown Seattle. The northern section of Alaskan Way is also signed as its honorary name, Dzidzilalich.
The Central Waterfront of Seattle, Washington, United States, is the most urbanized portion of the Elliott Bay shore. It runs from the Pioneer Square shore roughly northwest past Downtown Seattle and Belltown, ending at the Broad Street site of the Olympic Sculpture Park.
The State Route 99 tunnel, also known as the Alaskan Way Viaduct replacement tunnel, is a bored highway tunnel in the city of Seattle, Washington, United States. The 2-mile (3.2 km), double-decker tunnel carries a section of State Route 99 (SR 99) under Downtown Seattle from SoDo in the south to South Lake Union in the north.
Colman Dock, also called Pier 52, is the primary ferry terminal in Seattle, Washington, United States. The original pier is no longer in existence, but the terminal, now used by the Washington State Ferries system, is still called "Colman Dock". The terminal serves two routes to Bainbridge Island and Bremerton and has an adjacent passenger-only facility at Pier 50 for King County Water Taxi and Kitsap Fast Ferries routes.
Mercer Street is a major east–west thoroughfare in the Lower Queen Anne and South Lake Union neighborhoods of Seattle, Washington. It travels 2 miles (3.2 km) and connects Elliott Avenue to the west and Interstate 5 to the east, serving as one of several downtown exits on the freeway. The street carries an average weekday volume of 38,000 vehicles on its central section.
I-90 in Seattle 
SR 99 in Seattle
Colman Dock in Seattle
