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Research and Publications

Run-off Accident Factors Gallop Poll on Drowsy Driving Before and After: Rumble Strip Effectiveness Drift-off Accident Reduction The Effectiveness and Use of Continuous Shoulder Rumble Strips Shoulder Rumble Strip Effectiveness: Drift-Off-Road Accident Reductions on the Pennsylvania Turnpike Shoulder Rumble Strips: A Method to Alert "Drifting" Drivers Cyclists and Rumble Strips Bicycle-Friendly Rumble Strip Policies Bicycle-Friendly Rumble Strips in Alaska Transportation Research Board Paper on Rumble Strips and Cycling Trucks and Rumble Strips Width = Performance

Project Design

Is Retrofitting Really Less Expensive Than Resurfacing? Rolling Start Dates Specifications and Layout Considerations Tolerances Offset from the Edgeline "Continuous" vs. "Skip Pattern" Layout Designs Maintenance & Protection of Traffic Specifications Clean Up Specifications Costs and Benefits What Determines Price? Rolled vs Milled Maintenance

Rumble Strips and Bicycles

Rumble Strip Policy Background Alaska DOT/PF Policy on Rumble Strip Installation Highlights of the University of Maine TRB Report Rumble Strips or Not Along Wide Shoulders Designated for Bicycle Traffic?

Run-off Accidents

Rolled vs. Milled

Contracting Services

Speed No Downtime References

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