January 10 – TEXRail commences regular revenue service.[3] A January 4 opening was suspended due to signal issues identified during an inspection less than 12 hours before service was scheduled to begin.[4]
January 26 – Los Angeles Metro Rail Blue Line Improvements Project begins,[5] which upgrades signalling and infrastructure on large sections of the line with closures of up to eight months. The line resumes normal operation on November 2, but rechristened as the A Line.[6]
February 25 – Wabtec and GE Transportation are formally merged to become a global leader in railroad manufacturing and specializing in railroad-related services.
April 20 – Light rail in Canberra starts operations; it is the second new light railway to be opened in Australia in 2019 (after the Newcastle Light Rail).
May 9 – The first ALFA-X train set is shown to the public. The driving coach has a 22 meters-length "duck-shaped" front end. This train set is being tested at 360–400 km/h.[18]
– The last full-length Great Western RailwayInterCity 125 trains leave London Paddington station, the final service being the 18.30 to Taunton and Exeter (the same set briefly returns to Paddington on June 1 as part of the 'Flying Banana' farewell tour across the GWR network before going off-lease).
June 3 – Charlotte's CityLynx Gold Line ceases operation for upgrades to the line, which include new rolling stock, raised platforms at stops to accommodate level boarding, and extensions to the north and south with 11 new stations. A Rail replacement bus service is offered in the interim.[22]
October 18 – 2019 Santiago protests: After a week of fare-dodging protests following a fare increase on the Santiago Metro, thousands of protestors clash with police across Santiago in Chile and subway service is suspended in the entire city; these events trigger more widespread protests including damage to subway stations.[35]
November 21 – Opening of the first line of Moscow Central Diameters network in Moscow. Some lines that were previously located independently are connected.[43]
^"Metro Blue Line Improvements Project"(PDF). Blue Line Improvements Project: Proposed Blue Line Bus Shuttle Service for South Closure, January 26 (4am) – late May 2019. Los Angeles County Metropolitan Transportation Authority. Retrieved December 14, 2018.