Traffic enforcement camera
Videos
A traffic enforcement camera is a camera which may be mounted beside or over a road or installed in an enforcement vehicle to detect motoring offenses, including speeding, vehicles going through a red
A Gatso speed camera. The camera's lens is visible at top left, while the large flash, used for illuminating number plates and calibration lines on the road when taking photographs, is visible on the bottom right.
A speed camera in Mong Kok, Hong Kong
A speed camera on the Highway 5 in Joroinen, South Savo, Finland
Older traffic enforcement camera in Ludwigsburg, Germany
Speed limit
Videos
Speed limits on road traffic, as used in most countries, set the legal maximum speed at which vehicles may travel on a given stretch of road. Speed limits are generally indicated on a traffic sign ref
A road sign shows maximum and minimum speed limit for different types of vehicle on expressway in China. Speed limit signs are shown in kilometres per hour.
Historic New Hampshire speed limit sign
In 1920 a pastor was fined US$10 (equivalent to $346 in 2025) for "overspeeding his machine ... at a rate greater than 25 mph (40 km/h) ... in what appeared to be a reckless manner."
Example variable speed limit sign in the United States, in mph