begins an upgrading and rehabilitation project. May 8 - Doha Metro opened. 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. May 18 – Opening of Valley Metro Rail Gilbert Road Extension in Mesa, Arizona. – The last full-length Great Western Railway InterCity 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). May 19 – Opening of Denver RTD Light Rail Southeast Rail Extension to RidgeGate. May 26 – Sydney Metro Northwest, Australia's first dedicated rapid transit line, commences operations. May 29 – Touristic Eastern Express inaugurated by Turkish State Railways. May 31 – Copenhagen–Ringsted Line starts operation. June 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. June 9 – Go-Ahead Germany commences operating. June 11 – A train on the MBTA Red Line derails near JFK/UMass station in Boston, Massachusetts due to a fractured axle. Delays and unusual transfer patterns persist along the line for months following the incident. June 21 – Opening of Ion rapid transit LRT. June 23 – Opening of Lanzhou Metro. June 28 – Sydney Trains retires its last S set electric multiple units. June 30 – East Midlands franchise orders bi-mode trains, designated British Rail Class 810. July July 11 – Sadiqabad Railway Accident. July 27 – Re-opening of Caen tramway. August August – Indian Railways introduces India's first bi-mode locomotive, the WDAP-5. August 18 – East Midlands franchise passes from East Midlands Trains to East Midlands Railway. August 26 – The Black Mesa and Lake Powell Railroad, one of America’s few electric freight railroads, closes. September September 2 – Limmattal light rail line phase 1 opens over of track with seven stops. September 7 – Altamont Corridor Express begins weekend service. September 14 – The Confederation Line opens as part of the O-Train network in Ottawa, Ontario. September 28 – The City Circle Line of the Copenhagen Metro