The Wisconsin Department of Transportation contracted with Marquette University to research improvements in construction work zone signs. The RIGHT/LEFT LANE CLOSED and ROAD CONSTRUCTION series were … [Read more...] about Maximizing Legibility of Traffic Signs in Construction Work Zones
Safety
Research Problem Statements on User Information Systems
This Circular contains 28 research problem statements on user information systems prepared by the TRB Committee on User Information Systems, A3B08. The first 10 problem statements are ranked as high … [Read more...] about Research Problem Statements on User Information Systems
Night Work Zone Reflectorization
The variety of traffic control measures being used during night maintenance operations are briefly described and the need is pointed out for research on sign complexity and reflectorization. It is … [Read more...] about Night Work Zone Reflectorization
Reflectorized Devices for Driver Information. Introduction
This circular presents 8 summaries of areas requiring research in the field of reflectorized devices. The problem areas have been identified as follows: snowplowable raised pavement markers; sign … [Read more...] about Reflectorized Devices for Driver Information. Introduction
Evaluation of Temporary Pavement Marking Patterns in Work Zones: Proving-Ground Studies
Results of proving-ground studies for evaluation of temporary pavement markings for work zones are summarized. The objective was to investigate 10 candidate temporary marking treatments: one base … [Read more...] about Evaluation of Temporary Pavement Marking Patterns in Work Zones: Proving-Ground Studies
Visibility in Construction and Maintenance Work Zones
Several documents that will assist the engineer in planning and maintaining safe construction zone visibility are discussed and an attempt is made to relate positive experiences to the user. The … [Read more...] about Visibility in Construction and Maintenance Work Zones