Three lanes of northbound Interstate 5 will close all weekend to repair joints in the elevated-road decks. Traffic will be delayed approaching downtown Seattle.
Lane closures are scheduled from 8 p.m. Friday until 5 a.m. Monday near Swift Avenue South, leaving two lanes open — and only one through lane between midnight and 4 a.m.
The Interstate 90 express lanes will point west all weekend — so drivers may take Interstate 405 from Southcenter to Bellevue, then turn west to reach the I-90 bridge into Seattle. Another option is the northbound exit at Tukwila to Highway 599.
The INRIX traffic-data firm predicts a 45-minute trip from Southcenter to downtown on I-5, double the average, or 30 minutes if drivers take the I-405/I-90 detour.
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Similar closures are scheduled from late Friday, April 5 until early Monday, April 8.