E – 1592 – Fundamentals of Signalized Intersections
Intended Audience: Traffic, civil and highway engineers
PDH UNITS: 5
What are the 3 aspects of signalized intersections, and why is it critical to understand the fundamentals of each?
This comprehensive online course developed by Dr. Rossow explores the 3 aspects of signalized intersections:
- User Needs
- Geometric Design
- Traffic Design and Illumination
The intersection forms considered in this course include signalized at-grade intersections and intersections with the potential for grade separation.. Providing a solid foundation of knowledge regarding the fundamentals of signalized intersections, this course is designed to be a useful learning tool for entry-level engineers as well as a refresher for more experienced engineering professionals.
This online engineering PDH course is based on Chapters 2-4 of Report No. FHWA-HRT-04-091 “Signalized Intersections: Informational Guide,” written by Lee A. Rodegerdts, et al, August, 2004, and sponsored by the Federal Highway Administration under Contract No. DTFH61-98-C-00075, Task Order No. B98C75-009.
At the successful conclusion of this course, you’ll be able to identify and discuss:
- Human factors
- Intersection users
- Horizontal and vertical alignment
- Sight distance
- Pedestrian facilities
- Bicycle facilities
- Traffic signal control type and phasing
- Vehicle and pedestrian displays
- Traffic signal pole layout
- Traffic signal controller
- Detection devices
- Basic signal timing parameters
- Signing and pavement marking design
- Illumination design
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