The Autovía A-83 or Autovía Huelva – Zafra is a motorway in Spain . The motorway starts in Huelva and ends in Zafra . This motorway has been in operation in one section (Huelva– San Juan del Puerto , 7 km) since 1981, from San Juan del Puerto to Trigueros (16 km) under construction (opening planned for 2018 [obsolete] ), otherwise it is in different Planning stages (as of July 2017).