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
Illinois
Use of “Saddle drums”/“Saddlemarker”
Illinois DOT used "Saddlemarker" devices as a part of a major freeway reconstruction project on I-270 northeast of the St. Louis metropolitan area. On this project, the devices were placed at 250' … [Read more...] about Use of “Saddle drums”/“Saddlemarker”
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones
On high-volume roadways, Illinois has used public awareness campaigns in an effort to encourage drivers to take other routes. They are experimenting with a video detection system to alert … [Read more...] about Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones
Personal protective equipment requirements
Illinois DOT requires its employees to wear: Hard hats: All supervisors are mandated to wear and require their employees to wear protective hard hats/caps when they are in an area where there is … [Read more...] about Personal protective equipment requirements
Incident management techniques on major construction projects
Illinois involves local and other state agencies in the development and implementation of emergency contingency plans so that there is coordination during an incident. … [Read more...] about Incident management techniques on major construction projects
Lights allowed/required on drums; LED lights allowed
Illinois allows lights on drums, preferred in bad weather. Lights are required on roads over 25,000 ADT. For roads under 25,000 ADT, lights are required only at tapers and transitions. LED lights are … [Read more...] about Lights allowed/required on drums; LED lights allowed