If you use the local Temecula Park and Ride, here is an update from the City of Temecula:
The back entrance to the Park & Ride on Temecula Parkway from Vallejo Avenue is closed (first photo). Shoulder work on Vallejo Avenue will continue M-F, 7am-7pm, through the end of March. The new entrance to the Park and Ride is on Temecula Parkway at Wabash Lane (2nd photo).