Better Roadway Design - Intersection Signing

Roadway design is commonly based on minimum AASHTO (American Association of State Highway and Transportation Officials) and state DOT (Department of Transportation) design standards. However, these design standards are based on some assumptions of driver performance that may not be realistic, particularly as our population ages. The Federal Highway Administration has published a design handbook that provides substantially different guidance than that commonly prescribed by AASHTO and state DOTÆs.

This 3-hour online course covers the subjects of signing at roadway intersections in the FHWA document. The recommendations of FHWA can generally be implemented very economically. While the AASHTO and state DOT standards remain the minimum standards, the designer should recognize that they are just that - minimum standards. Designs can be improved by following the guidance in this course.

There is a test included at the end of this course.

At the conclusion of the course, you will understand:

• Some of the problems associated with left-turn lane geometry and how appropriate signing and median design can reduce driver errors
• How good street-name signing can improve the safety of intersections
• Some of the problems associated with one-way roadways and signing at intersections and how to improve safety of these intersections
• The means of using additional signs at stop-controlled intersections to improve safety by changing driver expectations

To comply with AIA and state requirements, all new online courses must be evaluated to confirm the assigned credit hour value. The assigned credit hour value for this course is 3 hours, pending confirmation within 90 days. Please be assured RedVector.com has NEVER had a course NOT meet its assigned credit hour value after evaluation, but has agreed to abide by the AIA and state requirements regardless. RedVector.com will refund the difference in price should any online course be assigned less credit than originally estimated.

Course Level: Advanced

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