First traffic lights

According to Official Guinness Records,

Semaphore-type traffic signals were set up in Parliament Square, London in 1868 with red and green gas lamps for night use. It was not an offence to disobey traffic signals until assent was given to the 1930 Road Traffic Act. Traffic lights were introduced in Great Britain with a one-day trial in Wolverhampton on 11 February 1928. They were first permanently operated in Leeds, W Yorks on 16 March 1928 and in Edinburgh, Scotland on 19 March 1928. The first vehicle-actuated lights were installed by Plessey at the Cornhill-Gracechurch junction, City of London in April 1932.

For a complete list of 1900 records, please visit 1900 Guinness Records in United Kingdom.

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