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Work Zone Safety Information Clearinghouse

Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users

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Night Visibility

Configuring Retroreflective Markings to Enhance the Night-Time Conspicuity of Road Workers

This study investigated whether the night-time conspicuity of road workers can be enhanced by positioning retroreflective strips on the moveable joints in patterns that convey varying degrees of … [Read more...] about Configuring Retroreflective Markings to Enhance the Night-Time Conspicuity of Road Workers

Research Initiatives to Improve the Visibility and Hence Safety of Road Workers at Night-Time

Collisions between vehicles and pedestrians represent a significant road safety problem and are overrepresented at night-time, with pedestrians being up to seven times more likely to be involved in a … [Read more...] about Research Initiatives to Improve the Visibility and Hence Safety of Road Workers at Night-Time

Improving the Nighttime Visibility of Signs and Workers in Road Work Zones in Japan

In Japan, work-related accidents at construction sites resulted in 487 fatalities and 27,193 injuries in 2005. The Ministry of Land, Infrastructure and Transport began devising more stringent safety … [Read more...] about Improving the Nighttime Visibility of Signs and Workers in Road Work Zones in Japan

Visibility Requirements of Work Zone Traffic Control Devices

A concern among highway safety officials is that traffic control devices used at work zones are not as visible as they should be due to insufficient reflectance properties or because they have become … [Read more...] about Visibility Requirements of Work Zone Traffic Control Devices

A Study of the Visibility and Effectiveness of Fluorescent Retroreflective Traffic Control Signing in Work Zone Applications

Road works present a special challenge to both the driver and the traffic engineer. Work zone accident statistics attest to the need for safety improvements. One way traffic engineers have attempted … [Read more...] about A Study of the Visibility and Effectiveness of Fluorescent Retroreflective Traffic Control Signing in Work Zone Applications

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