The route runs northwest from the city of Nakhchivan to the border with Turkey in the northwestern end of the exclave.

The entire route is an undivided, four-lane highway, except for a short two-lane section crossing the Umut Bridge into Turkey.

You can help Wikipedia by expanding it.Nakhchivan Autonomous Republic has Azerbaijan's only land border with Türkiye, measuring 17.7 kms, and acts as one of the gateways from Türkiye to South Caucasus and to Central Asia in terms of commerce and logistics.

Turkey has stated its intention to construct a railway bridge at more-or-less the same location as part of a plan to link Kars to Nakhchivan via Iğdır.

This route plays a crucial role in the future to increase regional connectivity - not only throughout Caucasia, but also across greater Eurasia, joining Turkish, Azerbaijani, Russian, Central Asian, Iranian and Armenian territories and linking Europe to Asia (E80 - AH5).