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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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Parts of Roads

Alabama County Must Show a Jury That Four-Inch to Six-Inch Pavement Edge Dropoff Is a Reasonably Safe Condition

Primary issues involved in this case include: - Four-inch to six-inch pavement edge dropoff - Foreseeability of a vehicle's leaving the traveled roadway - County's failure to warn of edge dropoff … [Read more...] about Alabama County Must Show a Jury That Four-Inch to Six-Inch Pavement Edge Dropoff Is a Reasonably Safe Condition

Ohio DOT Not Negligent; Edge Dropoff Within Work Zone Guidelines

Primary issues involved in this case include: - Pavement edge dropoffs from one and one-half to five inches deep - DOT's duty to treat dropoffs of more than one and one-half inches - Adequacy of … [Read more...] about Ohio DOT Not Negligent; Edge Dropoff Within Work Zone Guidelines

Ohio Court Grants Summary Judgment to City; Seven-Inch Edge Dropoff in Repaving Project Not a Nuisance

Primary issues involved in this case include: - Pavement edge dropoff seven inches deep - Immunity for edge dropoffs created during repaving projects - Discretionary nature of decision not to … [Read more...] about Ohio Court Grants Summary Judgment to City; Seven-Inch Edge Dropoff in Repaving Project Not a Nuisance

Traffic Control Strategies in Work Zones With Edge Drop-Offs

Pavement and shoulder edge drop-offs commonly occur in work zones. The depth of these elevation differentials can vary. The potential hazards associated with pavement edge differentials depend on … [Read more...] about Traffic Control Strategies in Work Zones With Edge Drop-Offs

Longitudinal Drop-off Guidelines

These guidelines are intended to increase traffic safety using traffic control devices, safety related appurtenances, and construction techniques for uneven lanes, milled edges, and edge drop-offs … [Read more...] about Longitudinal Drop-off Guidelines

Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones

Puerto Rico has used different techniques. a) In urban areas traffic signals have been reprogrammed using historic and actual data on the area of the project. b) In some cases reversible lanes are … [Read more...] about Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones

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