Illinois DOT has an agreement with all of its Adopt-A-Highway groups. Workers are not to be on roadway pavement at anytime. Vehicles are to be parked in a predetermined parking area, which is … [Read more...] about Traffic control for volunteer litter pickup crews
Illinois
Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices
Standard 701321-02 shows Illinois' basic object marker barrier wall attachment. Most designers are now opting for the Detail A option using barrier wall reflectors. This marker attachment design has … [Read more...] about Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices