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This highway was the beginning of the road that connects Gijón with Oviedo and Avilés, commonly known as "the Y".
Since it was renamed as GJ-81, it works as an entering to the Eastern zone of Gijón from the Southern ring road of the city, integrated in the A-8 highway. It has a traffic radar installed.
GJ-81 also connects Gijón with El Musel and the Aboño Power Plant.
References
"GJ-81" (in Spanish). DGT.es. Retrieved 28 March 2016.