Events
January
January 6 – The 99-year lease on Moffat Tunnel in Colorado is set to expire. – Tampere light rail extension to Lentävänniemi. – Planned completion of Los Angeles Metro Rail Foothill Extension to Pomona, California.
February
– Estimated start of South Shore Line service along the West Lake Corridor in Northwest Indiana.
April
– Delhi–Alwar Regional Rapid Transit System to be completed, allowing speeds up to .
August
– The OC Streetcar is expected to open.
Unknown date
– Transperth's Armadale and Thornlie lines reopen after an 18-month closure for the Victoria Park-Canning Level Crossing Removal Project. At the same time, the Thornlie–Cockburn Link and the extension of the Armadale line to Byford will open. – Metro Tunnel is planned to open, connecting north and south railway lines in Melbourne. – Shanghai Metro is claimed to exceed 1000 km length. – Greater Copenhagen Light Rail opening. – Opening of the southern section of Paris Métro Line 15, between Pont de Sèvres and Noisy–Champs. – Opening of Câble 1 in the Paris/Île-de-France region. – Paris Métro Line 13 automation start (end in 2027). – Expected completion of Stuttgart 21 railway. – Delhi Metro network to exceed 450 km. – Makati Intra-city Subway opening. – The first phase of the North–South Commuter Railway is scheduled to partially open. – Circle MRT line final extension to make closed full loop. – Several short high-speed lines upgrading to 250 km/h. – Wanda–Zhonghe–Shulin line opening. – West Midlands Metro Eastside extension is planned to be put into operation, providing connections to Birmingham Airport and High Speed 2. – Latest expected date of the Oxford–Bedford railway reopening. – Los Angeles D Line Extension Phase 2 expected to be complete. – Earliest expected date that Monterey County Rail Extension service in California will link Salinas to San Francisco. – Planned extension of Honolulu's Skyline to Middle Street. – The final section of the 2 Line of the Link light rail system in Seattle is expected to begin service, connecting the city to the suburbs of Bellevue and Redmond. It will be the first rail system to use a fixed floating bridge. – Dallas Silver Line commuter rail expected to open. – Tentative scheduling for the start of Amtrak's New Orleans–Baton Rouge passenger rail.