Illinois requires that work zone lane closures be set up in the direction of traffic flow. Vehicles used in this process may work out of the closed lane. Work zone take-down is done in the reverse … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
Truck-Mounted Attenuators
Design and Construction of Transportation Facilities
The Transportation Research Circular, Number 363, "Research Problem Statements: Design and Construction of Transportation Facilities," includes information from research prepared to "provide guidance … [Read more...] about Design and Construction of Transportation Facilities
Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
Minnesota DOT does not require the use of truck-mounted attenuator (TMA) equipped vehicles for the installation of temporary traffic control devices. However, Mn/DOT sometimes uses mobile lane … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
New Hampshire does not require a truck-mounted attenuator (TMA) to protect workers or work vehicles during lane closure set-ups and removals. NHDOT has included some TMA requirements in … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
Caltran's policy for maintenance operations is as follows: When closing a lane, a barrier vehicle or a shadow vehicle shall be used for the installation of the signs and the FAS if they can be placed … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)
North Dakota requires truck-mounted attenuators (TMAs) on the pavement marking installation for the protection vehicle behind the painting train. Maintenance forces use the TMA when the work is in a … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)