Here's an announcement provided by Caltrans:
On Friday, June 8, to Saturday, June 9, Caltrans will close southbound State Route 84/Isabel Avenue in Livermore between Jack London Boulevard and Stanley Boulevard from 10 p.m. to 8 a.m. in order to place K-Rail along southbound State Route 84 in preparation for construction. Detours will be in place by signage.
Detour for commuters traveling southbound along State Route 84:
- Left turn on to Jack London Boulevard
- Right turn on to Murrieta Boulevard
- Right turn on to Stanley Boulevard
- Left turn on to State Route 84
Motorists are advised to expect delays and encouraged to take alternate routes if necessary. Motorists are also advised that traffic fines are doubled in construction zones.