TIL the first traffic signal, erected in London in 1868, was powered by gas. A gas leak caused it to explode a month later. standard.co.uk Submitted by itsjonzo t3_10o6fs5 on January 29, 2023 at 12:20 PM in todayilearned 17 comments 1,024
iGaveYouOneJob t1_j6ff69y wrote on January 29, 2023 at 11:20 PM Reply to comment by ngwoo in TIL the first traffic signal, erected in London in 1868, was powered by gas. A gas leak caused it to explode a month later. by itsjonzo Not going anywhere on red is usually the case Permalink Parent 3
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