Course description
In Safety Edge - Design and Construction, you'll learn ...
- How Safety EdgeSM saves lives by allowing drivers who drift off highways to return to the road safely
- Locations where Safety EdgeSM can be used and applications where it is not suitable
- Safety EdgeSM installation considerations
- The two critical material issues in terms of placing a Safety EdgeSM for AC mixtures
Overview
Credit: 1 PDH
Length: 22 pages
On roadways, drop-offs occur when there are height differences between a paved road and the adjacent graded material. Conventional paving techniques result in vertical or nearly vertical pavement edges, which can cause safety concerns when they are exposed.
When a driver drifts (i.e. “departs”) the roadway and tries to steer back onto the pavement, a vertical pavement edge can create a tire-scrubbing condition that may result in over-steering. If drivers over-steer to return to the roadway without reducing speed, they are prone to lose control of the vehicle. The resulting crashes tend to be more severe than other crash types. The vehicle may veer into the adjacent lane, where it may collide oncoming cars, overturn, or run off the opposite side of the roadway and strike a fixed object or overturn on a slope.
The purpose of this course is to explain the important design, construction, and material selection for constructing Safety EdgeSM, to ensure that finished roads have no dangerous drop-offs. The target audience for this course is civil engineers who participate in highway construction projects.
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Upcoming start dates
Who should attend?
Certificate of Completion
You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 10 questions. PDH credits are not awarded until the course is completed and quiz is passed.
Training content
This course teaches the following specific knowledge and skills:
- Proper and improper sites for Safety EdgeSM
- Preparation of pavement edge or shoulder
- Slope measurement
- Backing material placement
- Considerations for asphalt concrete (AC) roads
- Considerations for Portland cement concrete (PCC) roads
Costs
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