Update, 5 p.m., Friday:

The city has updated the number of roads closed, which are down to three. They are (see 12 p.m. Friday road closed map attached to the right of this story):

SE 40th St @West Mercer Way

SE 40th St @76th Ave SE

SE 44th St @86th Ave SE

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Update, 11 a.m., Friday: Except for the 4600 & 5300 blocks of East Mercer Way (and the intersection w/ SE 53rd Place), Mercer Island Assistant City Manager Glenn Boettcher confirmed all Island streets have now been re-opened as of 10 a.m. Those intersections were blocked by trees falling on power lines and must be repaired by Puget Sound Energy crews.

Mercer Island Patch is still trying to confirm the status of the 8200 block of West Mercer Way and the 6800 block of East Mercer Way, which have been reduced to one lane due to downed trees.

"We have been told there are PSE crews on the Island, and they are beyond the assessment phase, working on repairs," said Boettcher. "If it's something we can do we are transitioning from letting people go from plowing, and we are getting to overhanging trees and branches."

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Original Story:

Emergency Response officials with North East King County Regional Public Safety Communications Agency (NORCOM) are requesting citizens not call 911 for updated road condition information, according to public officials.
 
Officials are urging residents to use the 911 service for emergencies only. Calling 911 for information delays emergency calls from being answered and can delay help, said a press release. These delays for emergency calls can have devastating effects on those most in need.

Stay on top of the Winter Weather and snow at Mercer Island Patch by checking our Winter Weather topic page, found by clicking here: 

Closed Roads:

City maintenance crews report that roadways are extremely hazardous with compact snow and ice on the roadway and all hills need to be an area of concern and even what looks like exposed roadway may be slick and icy.

Mercer Island has had freezing rainfall which is polishing the snow and ice on the roadway and caused a number of fallen trees — blocking arterial roads. As of 7 a.m. this morning, both lanes of East Mercer Way are blocked at the 4600 block and 5300 block due to downed powerlines. In addition, the 8200 block of West Mercer Way and the 6700 block of East Mercer Way have been reduced to one lane each way.

Snow Barricades/Road Closures:

• Maple Ln
• Shorewood Dr @N Mercer Way
• Shorewood Dr @Bike and Ped Trail
• 5300 BLK E Mercer Way (Downed Tree on Powlines)
• 4600 BLK E Mercer Way (Downed Tree on Powerlines)
• SE 70th @E Mercer Way
• 9100 blk SE 68th ST (Where it turns into SE 70th SE)
• 68th ST @82nd Ave SE
• SE 68th ST @West Mercer Way
• SE 40th St @West Mercer Way
• SE 40th St @76th Ave SE
• SE 44th St @86th Ave SE
• 8200 BLK W Mercer Way (Tree down blocking one line)
• 6800 BLK E Mercer Way (Tree down blocking one lane)