See California's AUTHORIZED MATERIAL LIST FOR SIGNING AND DELINEATION MATERIALS for retroreflective sheeting for channelizers, barrier markers, delineators, cone sleeves, and drums on the web site … [Read more...] about Switched from Construction/Engineering Grade sheeting to High-Intensity sheeting for barrels and barricades
California
Allowing work zone staging changes (making the changes of the work zone traffic control setup) at night on high-volume, urban freeways
In most cases, California allows work zone staging changes at night on freeways. Some examples are listed below: Due to traffic volumes, California traffic control provisions often allow contractors … [Read more...] about Allowing work zone staging changes (making the changes of the work zone traffic control setup) at night on high-volume, urban freeways
Work zone speed limit
From the perspective of Caltrans' maintenance forces: The majority of the time Caltrans maintenance forces perform work within short-term operations and are not authorized to reduce speed limits. … [Read more...] about Work zone speed limit
Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)
For contractors doing projects for Caltrans, the beginning time shown in contracts is the time the contractor can actually start closing the lane (i.e. begin placing cones). Contractors can set up … [Read more...] about Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)
Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
Caltran's policy for maintenance operations is as follows: When closing a lane, a barrier vehicle or a shadow vehicle shall be used for the installation of the signs and the FAS if they can be placed … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
Work zone use of steel plates with bridge cuts in pavement
California DOT has extensive requirements included in their Encroachment Permit Steel Plate Bridging Utility Provision (on Page 40 of 63). … [Read more...] about Work zone use of steel plates with bridge cuts in pavement