| Request Type: |
Interpretation |
| Requesting Agency: |
Carmanah Technologies Corporation (Canada) |
| State: |
XX |
| Date of Request: |
9/24/2013 |
| Topic: |
Definition of Dimming |
| Affected Portions of 2009 MUTCD: |
Section 4D.06| Section Interim Approval 11 |
| FHWA Ruling: |
Dimming occurs only when the light output from a traffic control signal indication or an rectangular rapid flashing beacon signal indication falls below the minimum specified intensity for daytime conditions. |
| Keywords: |
Beacons| Pedestrians| Traffic Control Signals |
