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On This Day | April 22

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2000
?zmir Metro opened

Located in ?zmir, Turkey, ?zmir Metro is a light metro system consisting of one 20.1-kilometre (12.5 mi) line serving 17 stations. Yap? Merkezi was the main contractor for all design and civil works, while AdTranz was responsible for the rolling stock and the signalling, power-supply and communication systems.

1931
Madrid-Barajas Airport opened

Adolfo Suárez Madrid-Barajas Airport is the main international airport serving Madrid in Spain. The airport has five passenger terminals and has grown to be one of Europe's most important aviation centres.

1896
Thomas Meik died

Thomas Meik was a 19th-century Scottish engineer. He is particularly associated with ports and railways in Scotland and northern England, Meik fathered two prominent engineering sons: Patrick Meik and Charles Meik. The firm they founded remains active, today part of the Jacobs Engineering Group.

1877
James P. Kirkwood died

Born in Edinburgh, Scotland, James Pugh Kirkwood was a 19th-century American civil engineer, and general superintendent of the Erie Railroad in the year 1849-1850. In 1848 he completed the Starrucca Viaduct, which was considered to be the most expensive railroad bridge at the time, as well as the largest stone viaduct. He later served as president of the American Society of Civil Engineers.

1833
Richard Trevithick died

Richard Trevithick was a British inventor and mining engineer. He was an early pioneer of steam-powered road and rail transport, and his most significant contributions were the development of the first high-pressure steam engine and the first working railway steam locomotive.

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18th Asian Regional Geotechnical Engineering Conference

Aug, 04, 2026 | Event

The Thai Geotechnical Society (TGS), under the auspices of the International Society for Soil Mechan...

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Expanding the Rocscience Software Ecosystem with New ShapeMetriX Integrations

Aug, 04, 2026 | News

Bringing high-resolution 3D data directly into underground excavation and rockfall analysisModern g...

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Soil nails replace temporary barriers at Dinah's Hollow landslip route

Jul, 12, 2026 | News

A long-running slope stability problem on the C13 at Dinah's Hollow in Dorset has reached the halfwa...

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Layered seabed geology changes how subsea cables should be protected

Jul, 07, 2026 | News

The weakest part of a subsea cable route is not always the cable itself. Often, it is the ground mod...

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Norwegian tunnelling methods could reshape the Peak District tunnel case

Jul, 14, 2026 | News

A new proposal has revived the long-running idea of a road tunnel beneath the Peak District, aiming...

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Second giant TBM begins work on India’s first undersea rail tunnel

Jul, 19, 2026 | News

A second large-diameter tunnel boring machine has started excavation on the Mumbai-Ahmedabad High-Sp...