(7:24 PM UPDATE: Southbound 99 has reopened)
There is an incident blocking all lanes of East Marginal Way SB just south of Spokane St. Use Alt routes pic.twitter.com/ivmFKEWfY9
— seattledot (@seattledot) June 10, 2014
(Above, SDOT tweet with traffic-cam screen grab shortly after crash happened)
ORIGINAL REPORT, 3:16 PM: Southbound 99 is closed most of the way from downtown southward because of a crash that happened south of West Seattle. With commute time approaching, we’ll be tracking this. The crash was at East Marginal/S. Nevada (map); the detours on SB 99 are just north of the southbound Battery Street Tunnel, and again at Atlantic in the stadium zone (for people who get onto 99 from Western). SFD says three people were hurt – one critically, one seriously, one less seriously. More to come.
ADDED 3:33 PM: The southbound alternate routes will be slow going too – here’s the “live” camera looking at 1st Avenue South in SODO:

Here’s a SODO view of 4th Avenue:

3:44 PM: SPD tweets that this will be a factor throughout the evening commute:
Marginal Wy south bound will remain closed around the collision for approximately 3 hours. Use other routes to enter/exit town.
— Seattle Police Dept. (@SeattlePD) June 10, 2014
Metro says, “Routes 21 Express, 55, 56, 57, 113, 120, 121, 122, 123, 125 and the RapidRide C Line (are) currently rerouted off of the southbound Alaskan Way Viaduct and not serving the stop on westbound Columbia St at 2nd Av. Use the temporary stop southbound on 3rd Av just north of Columbia St, until further notice.”
4:39 PM: Check the comments for updates from people on buses, etc. One thing also comes to mind if you are pondering an alternate route – If you can get to Beacon Hill, you can get to the West Seattle Bridge that way, too.
5:19 PM: And of course there’s the West Seattle Water Taxi from Pier 50 downtown. After a question via text (206-293-6302 any time), we asked on Twitter, and the county Transportation Department replied that there’s still plenty of room. Meantime, SPD says the closure could go as late as 7 pm.
5:46 PM: Here’s the closest camera to the crash scene:

Also keep in mind that it’s the Mariners vs. the Yankees at Safeco Field at 7 pm tonight, so the south side of downtown was going to be busy even before all this.
6:34 PM: No update yet – as you can see on the camera just above, the crash scene has not yet been cleared.
7:10 PM: It’s almost ready to reopen, says SDOT:
The incident on E Marginal Way s/o S Spokane St has cleared. SPD getting ready to clear traffic.
— seattledot (@seattledot) June 11, 2014
7:24 PM: The cameras show southbound 99 is open again – here for example is the view from the north end of the remaining elevated Viaduct:

Thanks to everyone for sharing information these past few hours!
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