As a part of the Midwest States Smart Work Zone Deployment Initiative (MwSWZDI), Types A and C solar-powered LED lights were compared with two brands of battery-powered lights (one with incandescent … [Read more...] about Solar-Powered Barricade Warning Lights
Evaluation and Assessment
Evaluation of Rollup Sign Holder
The rollup sign holder is a product of Lang Products International, Inc. The rollup sign holder consists primarily of an L-shaped hollow steel tube with a 2-inch square cross-section. The rollup sign … [Read more...] about Evaluation of Rollup Sign Holder
Advance Lane Drop Arrows
The primary goal of this evaluation was to determine the effectiveness of the arrows as located in the approach to a highway work zone. The arrows are intended for use both with stationary long-term … [Read more...] about Advance Lane Drop Arrows
Testing Temporary Work Zone Rumble Strips
The purpose of this project was to help identify the optimal design of temporary rumble strips that would be used in a work zone. The project involved a focus group and a psychological scaling … [Read more...] about Testing Temporary Work Zone Rumble Strips
Development of Functional Requirements for a Highly-Mobile Barrier System to Protect Highway Workers: Final Report
This report describes a recommended set of functional requirements, performance specifications, analysis approaches, and testing procedures needed for the development of a highly-mobile barrier system … [Read more...] about Development of Functional Requirements for a Highly-Mobile Barrier System to Protect Highway Workers: Final Report
Effect of Radar Drone Operation on Speeds at High Crash Risk Locations
At highway construction and maintenance work zones and other locations where roadway alignment, road surface, and traffic flow conditions have contributed to high crash rates, crash risk may be … [Read more...] about Effect of Radar Drone Operation on Speeds at High Crash Risk Locations