Successful transportation safety messages are only effective if travelers can comprehend the notices. However, one method of safety messaging, text-only messages, can be challenging for non-native … [Read more...] about Creating Effective Graphic Changeable Dynamic Message Sign (DMS) Messaging
Changeable Message Signs
An Evaluation of the Effectiveness of Digital Speed Limit Signs and Work Zone Presence Lighting on Speed Compliance During Lane Closure Operations
The NCDOT Work Zone Traffic Control Section is collecting speed data on 6 random Interstate/Freeway projects across the state that are using both Digital Speed Limit Signs and Work Zone Presence … [Read more...] about An Evaluation of the Effectiveness of Digital Speed Limit Signs and Work Zone Presence Lighting on Speed Compliance During Lane Closure Operations
Evaluating Driver Response to a Speed Feedback Trailer at Median Crossovers Within Freeway Construction Work Zones
A series of field evaluations were performed to assess the speed reduction effects of a speed feedback trailer (SFT) positioned at various locations before and after a median crossover section within … [Read more...] about Evaluating Driver Response to a Speed Feedback Trailer at Median Crossovers Within Freeway Construction Work Zones