Otoyol 21A

Otoyol 21A, abbreviated as O-21A, is a 32 km (20 mi) long auxiliary otoyol connecting the D.330 and D.750 to the O-21. The motorway was opened in 1992 as a connecting route to Konya and passes through mostly uninhabited rural land. The O-21A is a part of the E90.

Length32 km (20 mi)

Existed1992–present

Westend D.330 / D.750 near Tepeköy, Konya

Eastend O-21 near Eminlik, Niğde

Quick facts O-21A, Route information ...

O-21A
Route information
Part of E90
Length	32 km (20 mi)
Existed	1992–present
Major junctions
West end	D.330 / D.750 near Tepeköy, Konya
East end	O-21 near Eminlik, Niğde
Location
Country	Turkey
Regions	Central Anatolia
Provinces	Konya, Niğde
Highway system
Highways in Turkey Motorways List State Highways List
← O-21 → O-22

Close

The motorway was deemed too short to receive its own O-XX designation, despite being longer than the O-50, but too long to be designated as an exit; therefore, the route was signed as the O-21A, and is the only otoyol route in Turkey to have an alpha-numeric route designation.