From an press release.
A full closure of the eastbound 210 Freeway will take place next Wednesday. The closure will begin at 11:00 p.m. and continue through Thursday morning at about 5:00 a.m. Lanes closures will start at Rosemead Boulevard and the freeway will be closed between Baldwin and Santa Anita Avenues.
Traffic will be detoured to eastbound Foothill Boulevard. As always, we encourage you to seek alternate routes and allow extra time for your travel. Alternate routes may include the San Bernardino (10) Freeway to the south, Huntington Drive, or Live Oak Avenue - Arrow Highway.