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Gore (road)

Highway exit gore in Gdańsk, Poland, with a transversely lined "theoretical gore", followed by a grass-covered physical one
Two diverging white lines demarcate the theoretical gore of this highway exit on Interstate 40 in Arkansas, with a grass-covered physical gore following it. In this instance, the theoretical gore contains no markings.
Exit gore on Interstate 95 in Connecticut. Note the theoretical gore has been marked with chevrons.

In road and highway construction, a gore (or nose in modern British English)[1] is a triangular plot of land as designated when a road forks at the intersection with second road, or merges on and off from a larger one. A "virtual" (or theoretical) gore is a triangular shaped space, characteristically marked off with distinguishing highway paint, often found leading to the unpaved area of a larger physical gore.

The term gore (describing a space) is a historic one, representing a characteristically triangular piece of land, often designated incidentally when two surveys failed to meet. Etymologically it is derived from gār, meaning spear.[2]

A theoretical gore is commonly marked with transverse or chevron painted lines (much as traffic islands) at both entrance and exit ramps. These help separate drivers on the mainline from those entering and exiting the highway, and also aid the latter category of drivers in regulating their speed while accelerating and decelerating. Gores at exit ramps occasionally feature impact attenuators, especially when something solid follows the theoretical or physical gore, such as a bridge abutment.

In the US, at the "theoretical gore point", a dotted white line becomes a wide solid white channelizing line and another wide solid white line angles off along the edge of the diverging road, forming an elongated white triangle in front of the gore. This as a "neutral area" with white chevron markings optionally added.[3]

See also

References

  1. ^ "Design Manual for Roads and Bridges" (PDF). Feb 2006. p. 1/2. Archived from the original (PDF) on November 23, 2018.
  2. ^ Skeat, Walter William (1901). A Concise Etymological Dictionary of the English Language. Oxford: Clarendon Press. p. 218.
  3. ^ "Manual on Uniform Traffic Control Devices". Apr 2022.
Quelle: http://en.wikipedia.org/wiki/Gore_(road)