Alabama DOT uses guardrails at bridge ends for protection. Judgments are made in the field about the need to remove fixed objects or provide barrier protection. Usually guardrail protection is used. … [Read more...] about Protection for bridge ends or other fixed objects in two-lane two-way operations
Parts of Roads
Protection for bridge ends or other fixed objects in two-lane two-way operations
Iowa DOT protects the off-end of bridges in its two-lane two-way operations work zones by temporarily placing the appropriate metal beam guardrail treatments. If a metal beam rail does not work, crews … [Read more...] about Protection for bridge ends or other fixed objects in two-lane two-way operations
Louisiana Department of Transportation and Development Standard Plans
These documents comprise the Standard Plans for construction in the state of Louisiana. It includes drawings for box culverts, catch basins and manholes, cattle guard, concrete retaining wall, … [Read more...] about Louisiana Department of Transportation and Development Standard Plans
Drop-offs
Alabama DOT has a policy that limits drop-offs to 50 mm for normal operations on center lane and 75 mm at the pavement edge. … [Read more...] about Drop-offs
Drop-offs
In Maryland, it is acceptable not to use channelization for drop-offs less than two inches. However, warning signs for these drop-offs must be erected. … [Read more...] about Drop-offs
The Elimination or Mitigation of Hazards Associated With Pavement Edge Dropoffs During Roadway Resurfacing
Shoulders are used on U.S. highways as a safety feature. They are required to meet specifications for width and stability. However, roadways are often resurfaced and the shoulders are not brought up … [Read more...] about The Elimination or Mitigation of Hazards Associated With Pavement Edge Dropoffs During Roadway Resurfacing