Here's information provided by the Alameda County Public Works Agency:
LIVERMORE, CA –The Alameda County Public Works Agency will be doing pavement rehabilitation work on Grant Line Road between Interstate 580 and San Joaquin County Line. This work will be done between the hours of 7 p.m. and 5 a.m., from Monday, October 15, 2012 through Thursday, October 18, 2012.
Traffic is subject to delays due to traffic control for alternating lane closures on this roadway. Please plan your trip accordingly or use the freeway.
This schedule may be altered if weather conditions are not conducive to the planned roadwork. Any changes to the construction schedule can be found on the Public Works Agency website at www.acgov.org/pwa.