June 28, 2011 > Stay clear of Mission Boulevard Stay clear of Mission Boulevard Caltrans began work on Mission Boulevard as part of the Route 238 Rehabilitation Project. Expect delays on Mission Boulevard from just north of I-680 to Blanche Street (in Hayward) for an extended period of time. General work hours are Monday through Friday from 9 a.m. to 4 p.m. Construction work includes: ¥ Removal of failed asphalt pavement; ¥ Cold plane asphalt surfacing; ¥ Placement of a seal coat; ¥ Overlay roadway with rubberized asphalt concrete; ¥ Installation of loop detectors and other electrical equipment; and ¥ Other minor work (guard rail, sidewalk, curb ramps, drainage, retaining wall, pavement delineation).