Montana currently permits reusing removed rail from projects occasionally by special provision or change order.How does the state agency verify and certify that the salvaged and/or re-galvanized … [Read more...] about Salvaged and/or re-galvanized guardrail on construction projects
Montana
Lane lines in work zones
For standard applications, Montana DOT's typical lane line width is 4 inches. MDOT does not implement lane lines wider than the typical width.MDOT does not implement wider lane lines in work zones. … [Read more...] about Lane lines in work zones
State rules or regulations that require 24 hour maintenance of temporary traffic warning devices along highway work zone
Montana DOT requires that the contractor designate a person to provide continuous surveillance of traffic control devices. The designee(s) must be available 24 hours a day to respond to calls … [Read more...] about State rules or regulations that require 24 hour maintenance of temporary traffic warning devices along highway work zone
Requirement for using channelizing devices (e.g. cones) to separate traffic from the work area for a work operation
Montana DOT requires channelizing devices to separate the travel lane from the work zone if the work zone is less than 1000 meters in length and was not using pilot cars through the work zone. If … [Read more...] about Requirement for using channelizing devices (e.g. cones) to separate traffic from the work area for a work operation
Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices
Montana uses a top-mounted delineator that is 108mm wide by 89mm tall, using the recommended manufacturer specifications for an adhesive to fasten these to the top of the rail every 9.15 meters. … [Read more...] about Top-mounted object markers for delineation of portable concrete barrier wall on highway projects or alternative devices
Portable Sign Supports
Montana follows these guidelines for portable sign supports:Construct portable sign support assemblies from lightweight yielding material. Meet the following requirements: A. Use wood members with a … [Read more...] about Portable Sign Supports