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Study finds that certain confined spaces prohibit the use of large aerial drones to inspect bridges; areas for improvement remain to reduce the training and skill required to operate these devices.

The project team of an Automated Shuttle Bus piloted in Minnesota learned that the bus required additional infrastructure at MnROAD and snow and ice removal for future operations.

A demonstration of the automated shuttle bus was held for select transportation professionals in December 2017 and January 2018 on a controlled test track at MnROAD in Albertville, Minnesota. This…
Content type
Date Posted
07/12/2019

In-vehicle work zone messages prove to be more effective than portable roadside dynamic message signs.

There was better driving performance on key metrics including speed deviation and lane deviation for both in-vehicle message conditions relative to the roadside signs Drivers reported significantly…
Content type
Date Posted
05/20/2019

The use of drones for bridge inspections can create an overall average cost savings of 40 percent without a reduction in inspection quality.

FHWA national study finds intersection conflict warning systems reduce total crashes by 27 percent for two-lane at two-lane intersections

Methodology Geometric, traffic, and crash data were obtained for fourlegged, rural, two-way stop-controlled intersections with ICWS installations in Minnesota, Missouri, and North Carolina. Each…
Content type
Date Posted
03/28/2017