166-million-year-old dinosaur tracks found in the UK CNNDinosaur Footprints Found in England by Quarry Workers The New York TimesScientists Find Largest Dinosaur Footprint Site Ever Found in the U.K. — Here’s Why It’s ‘Exhilarating’ PEOPLEWeird bumps in UK quarry turn out to be 166 million-year-old dinosaur 'highway' for some of Jurassic's biggest dinosaurs Livescience.com