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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 ...
Apart from heavy metal bioaccumulation [28] in adjacent plants, vegetation can be damaged by salt as far as 100 m (110 yd) from the road. [29] Studies have found negative effects on wood frog population dynamics when tadpoles were raised in presence of most de-icing chemicals, such as decreased tadpole survival rates and modified sex ratios at ...
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.
A bar or borrow ditch is a roadside channel dug for drainage purposes. Typically, the dirt is "borrowed" from the ditch, and used to crown the road. It is a variation of a bar or borrow pit, in construction, when dirt is removed and used for construction purposes, and later left to fill with water, forming ponds or lakes.
Wildlife overpass on Trans-Canada Highway in Banff National Park Using a variety of techniques to monitor the crossings since the early 1980s, scientists report that 10 species of large mammals (including deer, elk, black bear, grizzly bear , mountain lion, wolf, moose, and coyote ) have used the 24 crossings in Banff a total of 84,000 times as ...
The definition of a road depends on the definition of a highway; there is no formal definition for a highway in the relevant Act. A 1984 ruling said "the land over which a public right of way exists is known as a highway; and although most highways have been made up into roads, and most easements of way exist over footpaths, the presence or ...
One way to classify intersections is by the number of road segments (arms) that are involved. A three-way intersection is a junction between three road segments (arms): a T junction when two arms form one road, or a Y junction, the latter also known as a fork if approached from the stem of the Y.
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...