Railway lines opened in 2025

Line 4 (French: Ligne 4), also known as the Airport Link (French: Antenne de l'Aéroport), is a diesel light rail line on the O-Train network in Ottawa, Ontario. The line provides a connection between Line 2 (also known as the Trillium Line) at South Keys station to Ottawa Macdonald–Cartier International Airport. The four-kilometre (2.5 mi) line opened on January 6, 2025.

Qingyuan Maglev Tourist Line is a medium-low speed maglev line in Qingyuan, Guangdong province, China.

Île-de-France tramway Line 14 (T14; French: Ligne 14 du tramway d'Île-de-France) is a suburban tram-train line in Seine-et-Marne, east of Paris, which opened in March 2025. The line is operated by Stretto.

The Line 1 of Taiyuan Metro is the second metro line in Taiyuan. The line opened on February 22, 2025.

The Bitong line of the Chongqing Suburban Railway is a suburban rapid transit line in Chongqing, China. It connects Tongliangxi in Tongliang District with Bishan station of the Chongqing Rail Transit, providing an interchange with Line 1 and through running with Line 27 in the future. It is 37.5 km long and features 9 stations.

The Orange Line (Arabic: المسار البرتقالي) or Line 3 is one of the six lines in the Riyadh Metro network in Riyadh, Saudi Arabia. It runs east–west along Al-Madinah Al-Munawwarah Road and Prince Saad Bin Abdulrahman Al-Awal Road, starting in the west near Jeddah Expressway and ending in the east near the National Guard camp of Khashm Al-An. It has 21 stations and 2 interchange stations, covering 40.7 km.