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See three-way junction 5-1-1 A transportation and traffic information telephone hotline in some regions of the United States and Canada that was initially designated for road weather information. A Access road See frontage road Advisory speed limit A speed recommendation by a governing body. All-way stop or four-way stop An intersection system where traffic approaching it from all directions ...
The Federal-aid primary highway system (FAP system) is a system of connected main highways, selected by each state highway department subject to the approval of the Bureau of Public Roads. It encompasses routes of the Interstate System and other important routes serving essentially through traffic with their urban extensions, including ...
Back roads are less safe than other roads, boasting much higher fatality rates. A 2015 study by TRIP (a national transportation research group) in the United States found that back roads have a traffic fatality rate of 2.18 deaths per 100 million vehicle miles traveled, while the average across all US roads is 0.38.
Secondary state highways and county highways that are part of a statewide system (i.e. the highway numbers do not repeat themselves across the state) are generably notable. These highways are notable enough to warrant their own article, but generally these should be kept to a list if very little information is available.
Bundesautobahn 9 near by Garching bei Muenchen, Germany. At the top of the hierarchy in terms of traffic flow and speed are controlled-access highways; their defining characteristic is the control of access to and from the road, meaning that the road cannot be directly accessed from properties or other roads, but only from specific connector roads.
The network structure of Radburn, New Jersey exemplifies the concept of street hierarchy of contemporary districts. (The shaded area was not built.) The street hierarchy is an urban planning technique for laying out road networks that exclude automobile through-traffic from developed areas.
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The core definition of a highway is modified in various legislation for a number of purposes but only for the specific matters dealt with in each such piece of legislation. This is typically in the case of bridges, tunnels and other structures whose ownership, mode of use or availability would otherwise exclude them from the general definition ...