Details for Request 4-194
| Request Type: |
Experiment |
| Requesting Agency: |
City of Cheyenne |
| State: |
WY |
| Date of Request: |
10/19/2000 |
| Topic: |
Unilight Single-Section 3-Color Traffic Signal (denied) |
| Affected Portions of 2009 MUTCD: |
Section 4D.06 |
| FHWA Ruling: |
12/1/2000 – Denied request to experiment due to colorblindness issue, lack of human factors studies, and lack of sufficient evaluation plan. Also instructed city to remove the one Unilight signal they had installed. |
| Approval Status: |
Denied |
| Keywords: |
Symbols| Traffic Control Signals |
Contact Information:
Documents currently available:
1). FHWA Response
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