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Unformatted text preview: destrian movements
1. Add delay
2. Encourage disobedience (red light running)
3. Sends volume to other routes
4. Reduce safety
5. Increase Rear End crashes
6. Require operation and maintenance Problem 6
a.) Modes of operation
i. All times are pre-set and doesn’t change
ii. Used in work zones or areas with very uniform traffic conditions
i. Detection (usually loop detectors) on minor approach
ii. Used when there is high traffic volumes on major approach with low
traffic volumes on the minor approach to introduce gaps for the minor
approach while providing the most green time to the major approach 3. Fully-Actuated
i. Detection (usually loop detectors) on all approaches
ii. Used when there is high traffic volumes on all approaches and it is
b.) NEMA Numbering Diagram...
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This note was uploaded on 01/16/2014 for the course CEE 370 taught by Professor Gue during the Fall '08 term at Wisconsin.
- Fall '08