Dual Line Mobile Retroreflectometers like the RetroTek-M are needed to measure the RL values and absence / presence of road markings. Dual Line retroreflectometer means that road markings on both sides of the car can be measured at the same time.
This video demonstrates how to use the RetroTek-M retroreflectometer. Let Joe Turley of Reflective Measurement Systems (RMS) the developers of the RetroTek system guide you through the entire process. The main points covered in the video include: 1. Attaching the RetroTek-M front sensor to the front of any vehicle with universal H brackets provided by [...]