The Russian route M9, also known as the Baltic Highway, is a 610 km-long trunk road that leads from Moscow through Volokolamsk to Russia's border with Latvia. The road runs north of Moscow across the towns of Krasnogorsk, Istra, Volokolamsk, Zubtsov, Rzhev, Velikiye Luki, and Sebezh, ending up at the state border. It passes Moscow, Tver, and Pskov Oblasts. The highway forms a part of the European route E22 which continues across the border to Rēzekne and Riga.