Latvian Railway's main network consists of 1,860 km of which 1,826 km is 1,520 mm Russian gauge railway of which 251 km are electrified, making it the longest railway network in the Baltic States. Latvia's railway network is currently incompatible with European standard gauge lines. However, Rail Baltica railway, linking Helsinki-Tallinn-Riga-Kaunas-Warsaw is under construction and is set to be completed in 2026.