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(also light) noun ADJ. amber, green, red | temporary There are temporary traffic lights because of the roadworks. QUANT. set Turn left at the third set of traffic lights. VERB + TRAFFIC LIGHT go though, jump He was stopped by the police for going through a red light. TRAFFIC LIGHT + VERB change (to sth), go green, etc. A line of vehicles waited for the traffic lights to change. Stop when the lights change to red. | be (on) green, etc. The lights were on red but she didn't stop. | work The traffic lights weren't working. PREP. at the ~s There was a hold-up at the lights.
Oxford Collocations Dictionary