The Doppler effect.
Doppler effect
As accurate as radar.Added: The speedometers in virtually all police vehicles are calibrated and certified as correct, and that documentation can be produced in court to attest to their accuracy.
No, you cannot get pulled over for speeding on a bicycle because bicycles are not subject to speed limits like motor vehicles.
It is a speedometer.
Avoid speeding and hitting pedestrians or other vehicles.
Over speeding kills .Vehicles should be rode in a limited speed .
Follow-me vehicles.
vehicles without an integral braking system
Speeding fines are set by city and county governments. Fines differ based on the location where one is driving. They can be researched by contacting the Department of Motor Vehicles in the city or county in question.
slow moving vehicles being followed by a line of five or more vehicles waiting to pass
It is important to avoid speeding in the fast lane on the highway because it can increase the risk of accidents and collisions. Speeding reduces the driver's ability to react quickly to unexpected situations, such as sudden stops or lane changes by other vehicles. This can lead to dangerous situations and put both the speeding driver and others on the road at risk of injury or even death.
The most common causes of accidents involving vehicles and pedestrians are distracted driving, failure to yield the right of way, speeding, impaired driving, and poor visibility.