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Shadow Vehicles

Autonomous Shadow Vehicle Project: Phase I

The subject of this report is the research performed to determine the feasibility of designing and constructing a prototype autonomous Shadow Vehicle that follows a Lead Maintenance Vehicle for use in … [Read more...] about Autonomous Shadow Vehicle Project: Phase I

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)

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)

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)

Virginia requires the use of a shadow vehicle when installing and removing lane closure traffic control. When the posted speed limit is 45 mph or greater on roadways with four or more travel lanes, … [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)

Michigan does not require the work vehicle to have a TMA. It does not require truck-mounted attenuators (TMAs) or a shadow vehicle to be used when setting up a lane closure. In its TMA guidelines, … [Read more...] about Requirements for work or shadow vehicles to have Truck-Mounted Attenuator (TMA)

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