December 2021

The tracks and platform side of Donauwörth station in 1895

• ...that until the current station was opened in 1877, Donauwörth station was located at the opposite end of a railway tunnel that is now a pedestrian path?

Domain Interchange just before its 2013 redevelopment

• ...that the junction in Melbourne now known as Domain Interchange operated by Yarra Trams was originally opened during the cable era in 1889?

Locomotives Dolphin and Walrus operating on the Groudle Glen Railway in 2009

• ...that the diesel exhaust chimneys on locomotives Dolphin and Walrus were added as part of a "steam outline" structure when the locomotives were purchased by Doddington Park?

The DJF2 in storage at Nanjing Puzhen Rolling Stock in 2011

• ...that the DJF₂, a key element of China's Ninth Five-Year Plan, was the first Chinese multiple unit train to achieve a regular operating speed of 200 kilometres per hour (120 mph)?

View of Dinting Viaduct in 2008

• ...that the irregular spacing of piers supporting Dinting Viaduct is due to the addition of several strengthening piers inserted between 1918 and 1920?

A Dijon Tramway tram in 2012

• ...that line T1 of the Dijon tramway carried 36,000 passengers per day during its first two months in service in 2012, which was 6,000 more than even the highest forecasts had projected?

A view of the Digha–Sonpur Bridge in 2016 showing the highway on the upper deck and railway on the lower deck

• ...that the Digha–Sonpur Bridge, which opened in 2016, is only the second bridge to carry railway tracks across the Ganges in the Indian state of Bihar?

The Dickabram Bridge in 2010

• ...that the Dickabram Bridge, which opened in Queensland, Australia, in 1889, replaced two other bridges that were both swept away in floods and itself was submerged by flood waters only once during the 1893 floods?

A passenger train at Dollar station on the Devon Valley Railway in 1957

• ...that special trains were run on the Devon Valley Railway to carry curling sportsmen in first class carriages and their stones in fish wagons at the rear of the train?

Deutsche Reichsbahn workers test radio equipment for multiple unit working on steam locomotives in August 1931

• ...that among the provisions of the 1924 Dawes Plan was a plan to utilize Deutsche Reichsbahn completely for the payment of World War I reparations?

LMS 10000 leads the St Pancras - Manchester express near Cricklewood in April 1948

• ...that the first British Rail Class D16/1, number 10000, was driven out of the Derby Works paint shop in 1948 by George Ivatt?

Chauncey Depew circa 1908

• ...that while still serving as chairman for New York Central Railroad, in 1897 Chauncey Depew inaugurated the New York pneumatic tube mail?

A Denver and Salt Lake Railroad train at the Moffatt Tunnel's east portal circa 1930

• ...that the Denver and Salt Lake Railway was founded to connect Denver, Colorado, to Salt Lake City, Utah, because the Union Pacific Railroad built the first transcontinental railroad bypassing Denver?