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A 4-way stop in San Francisco. An all-way stop – also known as a four-way stop (or three-way stop etc. as appropriate) – is a traffic management system which requires vehicles on all the approaches to a road intersection to stop at the intersection before proceeding through it.
Uncontrolled intersections, without signs or signals (or sometimes with a warning sign). Priority (right-of-way) rules may vary by country: on a 4-way intersection traffic from the right often has priority; on a 3-way intersection either traffic from the right has priority again, or traffic on the continuing road. For traffic coming from the ...
An uncontrolled intersection in suburban Melbourne, Australia. At uncontrolled 4-way intersections, the common rules are: . give way to traffic approaching from the passenger's side (i.e. from the right in countries that drive on the right-hand side, a rule known as priority to the right, and vice versa) [citation needed]
According to the N.C. Department of Transportation, on average, converting intersections into four-way stops — also called “all-way stops” — results in a 68% reduction in total crashes ...
Also known as a "four-way" intersection, this intersection is the most common configuration for roads that cross each other, and the most basic type. If traffic signals do not control a four-way intersection, signs or other features are typically used to control movements and make clear priorities. The most common arrangement is to indicate ...
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Signs including Stop, Yield, No Turns, No Trucks, No Parking, No Stopping, Minimum Speed, Right Turn Only, Do Not Enter, Weight Limit, and Speed Limit are considered regulatory signs. Some have special shapes, such as the octagon for the Stop sign and the crossbuck for railroad crossings.
This may be used when there is a malfunction with the signals, or late at night when there is little traffic. A single four-way flashing light showing only one color in each direction may be used at intersections where full three-color operation is not needed, but stop or yield signs alone have not had acceptable safety performance.