Two-lane Road
A single carriageway (British English) or Undivided highway (American English) is a road with one, two or more lanes arranged within a one carriageway with no central reservation to separate opposing flows of traffic. A single-track road has a single lane with passing places for traffic in both directions. Road traffic safety is generally worse for high-speed single carriageways than for dual carriageways due to the lack of separation between traffic moving in opposing directions. Countries Ireland The term ''single carriageway'' is used for roads in the Republic of Ireland. Speed limits on single-carriageway roads vary depending on their classification: national primary roads and national secondary roads have a general speed limit of , while regional roads and local roads have a general speed limit of . In urban areas, the general speed limit is . United Kingdom The maximum UK speed limit for single-carriageway roads is lower than the maximum for dual-carriageway roads. T ...
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