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This flag is shown if the driver or pit crew violates a rule (e.g., speeding through the pits), if the vehicle has sufficient mechanical damage that it is a hazard to other drivers, if the vehicle cannot maintain the minimum required speed (varies by track; typically disclosed in the pre-race drivers' meeting), or if a driver has been driving ...
By April 1991, NASCAR implemented the current policy of pit road speed limits. The speed limit depends on the size of the track and the size of pit road. NASCAR uses an electronic scoring system, similar to the VASCAR system, to monitor the speeds of cars on pit road by measuring the time it takes to get from checkpoint to checkpoint. The cars ...
The impact energy to the car and driver are reduced, and the car is likewise not propelled back into traffic on the racing surface. The SAFER barrier also lessens damage to the car itself, thereby reducing repair costs. After its introduction in 2002, nearly every oval track on the IndyCar and NASCAR circuits had the device installed by 2005 ...
A traffic enforcement camera (also a red light camera, speed camera, road safety camera, bus lane camera, depending on use) 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 traffic light, vehicles going through a toll booth ...
*The town of Swindon abandoned the use of fixed cameras in 2009, questioning their cost-effectiveness with the cameras being replaced by vehicle-activated warning signs and enforcement by police using mobile speed cameras: [37] in the nine months following the switch-off there was a small reduction in accident rates which had changed slightly ...
Incident light is refracted within glass beads on road surfaces and reflected into the driver's field of view. Road paint with reflective glass beads being applied to a pedestrian crossing in Baliuag, Bulacan. Glass beads composed of soda lime glass are essential for providing retroreflectivity in many kinds of road surface markings. [1]
Vehicle registration plates are an important part of traffic enforcement and in most jurisdictions the government holds a monopoly on their manufacture, although this may be contracted out. Normally it is illegal for private citizens to modify, make and affix their own plates, as this is equivalent to forging an official document.
A traffic camera is a video camera which observes vehicular traffic on a road. Typically, traffic cameras are put along major roads such as highways, freeways, expressways and arterial roads, and are connected by optical fibers buried alongside or under the road, with electricity provided either by mains power in urban areas, by solar panels or other alternative power sources which provide ...