R1A may refer to:
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Haplogroup R1a
Haplogroup R1a, or haplogroup R-M420, is a human Y-chromosome DNA haplogroup which is distributed in a large region in Eurasia, extending from Scandinavia and Central Europe to southern Siberia and South Asia.
While R1a originated c. 22,00 ...
* Line R1a, a planning name for
Line 5 (Shanghai Metro)
Line 5 is a north–south rapid transit line of the Shanghai Metro network, running from station in Minhang District in the north to in Fengxian District was originally planned as the Minhang and Fengxian sections of line 1 extending south to Mi ...
* R1A, a class of
Group R
In relation to motorsport governed by the Fédération Internationale de l'Automobile, Group R refers to a set of regulations providing production-derived vehicles for rally competition. The Group R regulations were created in 2008 as a gradual ...
* R1A, a Canadian postal code assigned to
Selkirk, Manitoba
Selkirk is a city in the western Canadian province of Manitoba, located on the Red River about northeast of the provincial capital Winnipeg. It has a population of 10,504 as of the 2021 census.
The mainstays of the local economy are tourism, ...
* Robonaut 1A, a version of
Robonaut
A robonaut is a humanoid robot, part of a development project conducted by the Dexterous Robotics Laboratory at NASA's Lyndon B. Johnson Space Center (JSC) in Houston, Texas. Robonaut differs from other current space-faring robots in that, while ...
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See also
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RIA (disambiguation)
A ria (; gl, ría) is a coastal inlet formed by the partial submergence of an unglaciated river valley. It is a drowned river valley that remains open to the sea.
Definitions
Typically rias have a dendritic, treelike outline although they ca ...
{{Letter–number combination disambiguation