State Route 18 on Tiger Mountain to close for guardrail repair
March 1, 2012
NEW — 11 a.m. March 1, 2012
Motorists should prepare for closures on state Route 18 across Tiger Mountain on Saturday, as crews continue the repair effort from the January storms.
Crews plan to close westbound state Route 18 between Interstate 90 and the Tiger Mountain summit at 6 a.m. to rip out and replace damaged guardrail. The roadway should reopen at 2:30 p.m.
Eastbound state Route 18 is scheduled to remain open for motorists headed east from the Issaquah area to Interstate 90 or the trailhead and parking area at the Tiger Mountain State Forest summit.
The state Department of Transportation recommended for westbound motorists to use interstates 5 and 405, plus other local routes, to reached Auburn, Maple Valley and Renton.
The guardrail needs to be replaced and support posts need to be installed after a tractor-trailer damaged the guardrail during the January snowstorm.
Crews must completely close the westbound highway, because workers cannot safely alternate traffic at the location due to the narrow roadway and the difficulty of tractor-trailers stopping on the steep grade.