Credit Hours: 2.00
Approval Number: not required
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This course summarizes practical information on where, when, or how to apply safety treatments for horizontal curves or winding sections. These treatments are relatively low cost versus geometric design improvements (degree of curve, shoulders, superelevation, curve length, cross-section, etc.). Information for each treatment will generally include:
- Application guidelines – installation practices
- Design elements and materials
- Effectiveness – safety improvements
Estimates for treatment effectiveness in reducing crashes are included if available. Actual observed effectiveness values of a treatment may vary depending on its location.
- describe basic treatments, centerline markings, and edge lines
- interpret horizontal alignment signs, One-Direction Large Arrow Sign
- recognize advisory speed plaques, combination horizontal alignment/advisory speed signs, and curve speed signs
- discuss chevrons and delineators
Greg Taylor has worked for the Tennessee Department of Transportation as the Civil Engineering Manager since 1978. He is responsible for all types of roadway projects including State routes, bridges and estimates. He performs all phases of civil engineering design work including erosion control, hydrology, andgrading, while adhering to State regulations. He has also been a logistics and support officer for the Tennessee Air National Guard from 1985 to 2006. Greg hold a M.S. and B.S. in Civil Engineering from the University of Tennessee as well as an M.S. in Engineering Management also from the University of Tennessee.