But one type of light not always found on school buses is the roof-mounted strobe. These strobes are positioned on the longitudinal centerline of the roof, usually close to the rear but sometimes in the front. Their lenses are typically clear or amber, and the lights have an output of around 10 joules. read more
Federal Lighting Regulations (Truck/Bus/MPV Poster Table for Website) state the front and rear clearance lamps are required on vehicles wider than 80 inches (2032 mm). read more
Signals the traffic lights to change. They are also on top of all emergency response vehicles. Traffic light that support the technology pick the the strobe from a distance and the lights are qued to allow traffic to flow. This prevents school buses and emr vehicles from being stuck in grid lock. read more
The Wisconsin Administrative Code outlines specific requirements for a strobe light on top of school buses. Under the code, non-school buses are listed under a separate classification for inspection, which does not require a strobe light. read more