M51 highway (Russia)
The R254 Irtysh is a highway in Russia, which runs partly in Kazakhstan. It is part of the transcontinental road connection from Moscow to Vladivostok and leads from Chelyabinsk in the Urals over Omsk ( the eponymous river Irtysh ) to Novosibirsk. Approximately 150 km run on Kazakh territory. It is part of AH6 in the Asian highway network, and up to Kurgan also part of the European route 30
The road was renumbered R254 in 2010. Previously, she had the number M51, which can be used until 31 December 2017 as an alternative.