Construction on 520 westbound

Monday, Oct. 5, on most weeknights until Friday, Oct. 23 - The westbound SR 520 off-ramp to northbound I-5 and East Roanoke Street will close for construction nightly beginning at 10 p.m. until 6 a.m. The ramp will reopen at 6 a.m. each of the following mornings. During this time, all westbound SR 520 traffic that remains on westbound SR 520 past the Montlake and Lake Washington boulevard exits will detour to southbound I-5.