Conduct interoperability test to identify potential issues that would require resolution prior to the sites advancing to an operational phase. The three-day testing event was a major victory for the…

Conduct yearly solar panel reviews including surface cleaning and charging output tests when using any solar powered systems. While these systems often use maintenance-free batteries, it is…

Deliver updates to the on-board units (OBUs) remotely to improve operating efficiency. Updating the firmware and configuration parameters remotely allowed the THEA CVPD team to push updates to the…

Include camera washer system and heated lenses on winter maintenance vehicles to avoid image quality degradation from dirt or snow accumulation. According to this study, the most commonly reported…

Perform frequent infrastructure maintenance to avoid deteriorated or low-contrast lane markings, cracks on the road, poorly placed signage, and poor traffic light illumination. Survey respondents…

Use mobile RWIS and MDSS to reduce material usage and increase cost savings. CDOT reported that districts that used mobile RWIS reported an approximate 20 percent reduction in material usage,…

Integrate telematics into real-time analytic dashboards to expedite evaluations and facilitate effective resource allocation. The effective fleet management of snowplow trucks allows agencies to…

Periodically check the traffic data obtained by ramp metering systems (e.g., traffic speeds, flows, and occupancies) to assess and quantify system performance. The system cannot respond to…

Use UAS during routine inspections of large, long, and complex bridges. On such bridges, the reduction in time required for an inspection using a UAS, compared with that needed for a traditional…

The following summarizes the lessons learned from the effectiveness analysis, and from installation, maintenance, and data verification. Emphasize placement of the sensors and message boards, aiming…