Resources

BC Instructions and Installations

Please see below for our guides and installations. You can click on the image and print them out as needed.

  • Engineering drawing of typical roadside wood post installation for traffic signs, with detailed dimensions, brace details, cross-sections, and a post spacing table, along with elevation and side view diagrams.
  • Diagram of typical road sign installation showing placement height, lateral positioning, and examples of “Road Work Ahead,” “Detour Ahead,” and “Right Lane Closed” signage, with a chart of taper length criteria by speed.
  • Engineering drawing of laminated wood box post installation, showing detailed dimensions, cross-sections, hardware specifications, and mounting guidelines for traffic signs.
  • Instructional diagram for flagger operations showing proper use of STOP/SLOW paddles, flagger positions, signage placement, buffer zones, and traffic flow during road work.
  • Illustration of crash barrel installation layout with multiple yellow barrels filled to various weights for impact absorption, including a photo of a completed roadside crash cushion installation.
  • Instruction chart of crane hand signals with illustrated workers demonstrating 20 different gestures, including hoist, lower, swing, extend boom, retract boom, and emergency stop.
  • Diagram of a Caltrans flagging plan showing lane closure setup with traffic cones, directional arrows, signage placement, and flagger positions for reversible two-lane highway control.
  • Diagram of a temporary traffic control zone showing termination, activity area, buffer space, transition area, and advance warning area along a roadway, with a conversion chart of inches to millimeters displayed below.
  • Traffic control diagram of a center intersection closure with multiple detour signs, lane closure arrows, “End Road Work” signage, and a sidewalk closure area marked at the bottom.
  • Traffic control plans illustrating bike lane and shoulder lane closures, with signage placement, cones, taper spacing, and directional markings for safe lane management.
  • Roadway diagrams showing left lane and right lane closure setups, including “Lane Closed” and “Road Work Ahead” signage, tapering cones, detour arrows, and work zone markers.

California MUTCD Sign Charts

BC Traffic Specialists Videos