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This is an accepted version of this page This is the latest accepted revision, reviewed on 5 March 2025. Directionality of traffic flow by jurisdiction Countries by direction of road traffic, c. 2020 Left-hand traffic Right-hand traffic No data Left-hand traffic (LHT) and right-hand traffic (RHT) are the practices, in bidirectional traffic, of keeping to the left side or to the right side of ...
The only force keeping the vehicle turning on its path is friction, or traction. This must be large enough to provide the centripetal force , a relationship that can be expressed as an inequality, assuming the car is driving in a circle of radius r {\displaystyle r} :
Performing a three-point turn (shown for right-hand traffic). The three-point turn (sometimes called a Y-turn, K-turn, or broken U-turn) is the standard method of turning a vehicle around to face the opposite direction in a limited space, using forward and reverse gears.
It causes an initial steer angle to the right, a lean to the left, and eventually a steady-state lean to the left, steer angle to the left, and thus a turn to the left. As the desired angle is approached, the front wheel must usually be steered into the turn to maintain that angle or the bike will continue to lean with gravity, increasing in ...
A continuous flow intersection (CFI), also called a crossover displaced left-turn (XDL or DLT), is an alternative design for an at-grade road junction. Vehicles attempting to turn across the opposing direction of traffic (left in right-hand drive jurisdictions; right in left-hand drive jurisdictions) cross before they enter the intersection. No ...
Insurance companies typically charge higher rates for incidents that may also earn you driver’s license points, like speeding, distracted driving, reckless driving and driving under the influence.
Vehicle dynamics is the study of vehicle motion, e.g., how a vehicle's forward movement changes in response to driver inputs, propulsion system outputs, ambient conditions, air/surface/water conditions, etc. Vehicle dynamics is a part of engineering primarily based on classical mechanics.
Using your phone while driving is inherently distracting, so it’s a primary violation (meaning if an officer sees you with phone in hand you can get a ticket.) Doing other secondary activities ...