UPDATE as of 1:54 p.m. All lanes are now open. Backups extend to 56th Ave in Tacoma.
INITIAL POST: State troopers are slowing traffic on southbound Interstate 5 at state Route 512 in Lakewood to help with an oversize load, according to the state Department of Transportation.
The rolling slowdown started at 1:40 p.m. It’s unclear how long it will take.
WSDOT reports that all lanes are halted.
Residual backups are almost to 56th Ave in Tacoma.