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”
Channelizing Devices
Use of “Saddle drums”/“Saddlemarker”
Washington state DOT used saddle drums in a test area in the Northwest Region. The feelings were that they provided good barrier delineation (large target value) but were somewhat expensive for the … [Read more...] about Use of “Saddle drums”/“Saddlemarker”
Type “C” steady-burn lights on traffic control drums
Typically used only on drums in transitions/tapers or special cases. This policy of limiting the use of lights on drums took effect when the reflective sheeting was upgraded to high-intensity. … [Read more...] about Type “C” steady-burn lights on traffic control drums
Lights allowed/required on drums; LED lights allowed
Lights are allowed on drums in Minnesota, but Minnesota DOT is thinking about eliminating them. Some feel they can be a distraction. They are not required on drums. Care should be taken not to use … [Read more...] about Lights allowed/required on drums; LED lights allowed
Lights allowed/required on drums; LED lights allowed
Lights are allowed on drums in Wisconsin. They are required on drums only in tapers or transitions. LED lights are allowed. … [Read more...] about Lights allowed/required on drums; LED lights allowed
Lights allowed/required on drums; LED lights allowed
In Ohio, lights are allowed on drums only on projects without state and federal funds. They are not required on drums, not even to mark hazards (flashing.) No policy on LED lights. … [Read more...] about Lights allowed/required on drums; LED lights allowed