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On This Day | April 27

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2022
Cebu - Cordova Link Expressway inaugurated

The Cebu - Cordova Link Expressway (CCLEX) is an 8.9-kilometer (5.5 mi) toll bridge expressway in Metro Cebu, Philippines. Its longest span is 390 m (1,280 ft) and is the longest and tallest bridge in the Philippines.

2011
2011 Super Outbreak

The 2011 Super Outbreak was the largest, costliest, and one of the deadliest tornado outbreaks ever recorded, taking place in the Southern, Midwestern, and Northeastern United States from April 25 to 28, 2011. April 27 was the most active day where 216 tornadoes touched down.

2006
One World Trade Center construction started

The main building of the rebuilt World Trade Center complex in Lower Manhattan, New York City, One World Trade Center, also known as One World Trade, One WTC, and formerly the Freedom Tower is the tallest building in the United States, the tallest building in the Western Hemisphere, and the seventh-tallest in the world. Including its spire, it reaches a total height of 1,776 feet (541 m), with its height in feet being a deliberate reference to the year when the United States Declaration of Independence was signed.

1896
William Hudson was born

Sir William Hudson was a New Zealand-born engineer who headed construction of the Snowy Mountains Scheme for hydroelectricity and irrigation in Australia from 1949 to 1967, when he reluctantly retired at 71.

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India’s largest rail TBM begins tunnelling beneath Mumbai

Jul, 06, 2026 | News

India’s Mumbai-Ahmedabad high-speed rail project has reached a major underground construction milest...

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Fatal landslide exposes construction-stage risks around tunnel portals

Jul, 08, 2026 | News

A fatal landslide at the under-construction Anakkampoyil-Kalladi-Meppadi road tunnel project in Kera...

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A new sleeper shape could change how railway tracks absorb impact

Mar, 01, 2026 | News

Researchers in China have investigated how a new X-shaped railway sleeper could improve the response...

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Georgia Tech Digitizes George F. Sowers' 1940s Harvard Notes from Terzaghi and Casagrande

Jul, 09, 2026 | News

The Georgia Tech Geosystems group has released digital scans of course notes taken by Prof. George F...

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Maidstone East cutting shows importance of proactive slope management

Jan, 01, 2027 | News

Railway cuttings can be among the most sensitive geotechnical assets on transport networks. They are...

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Geotechnical investigations begin for The Bight Bridge replacement

Jun, 25, 2026 | News

Geotechnical investigations have started for the planned replacement of The Bight Bridge at Wingham,...