E 591 is a European B class road in Russia, connecting Novorossiysk to European route E115 south of Rostov-on-Don.
Route : Novorossiysk - Verkhnebakanskiy : Verkhnebakanskiy - Krasnodar : Krasnodar - Rostov-on-Don
References
External links UN Economic Commission for Europe: Overall Map of E-road Network (2007)