State Route 84 Isabel Expressway Widening
3/3/17 - Westbound Vallecitos Road from SR-84 is closed temporarily for two months for construction.
Caltrans will widen a 2.4 mile section of northbound and southbound State Route 84 (Isabel Avenue) from two lanes to four lanes and rehabilitate pavement to improve State Route 84 as a regional connection between I-580 and I-680 in Alameda County near the city of Livermore. The project limits are from Ruby Hills Drive to north of Concannon Blvd.
- Project Flyer
- 06/03/16 - STATE ROUTE 84 EXPRESSWAY WIDENING PROJECT (SOUTH SEGMENT) Public Information Meeting
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