All lanes of SR 520 will be closed from 11 p.m. Friday, Feb. 7 to 5 a.m. Monday, Feb. 10 for lane reconfiguration. The closure will extend from Montlake Boulevard in Seattle to I-405 in Bellevue. A signed detour route will direct drivers to take I-90 across Lake Washington.

The work is weather-dependent and could be postponed in the event of inclement weather.