From the Washington State Department of Transportation:
Drivers who use southbound Interstate 5 in Tacoma are encouraged to prepare for potential big weekend backups and slowdowns.
Starting at 10 p.m. Friday, Aug. 26, contractor crews working for the Washington State Department of Transportation will reduce southbound I-5 to two lanes between Portland Avenue and M Street. The lane reduction will remain in place until 5 a.m. Monday, Aug. 29.