the M25
/ði ˌem ˌtwenti ˈfaɪv/
/ði ˌem ˌtwenti ˈfaɪv/
- a British motorway that runs in a circle around London. It was completed in 1986, but since then has become quite crowded, and traffic on it often moves very slowly. People often complain or make jokes about the difficulties of driving on the M25.
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the M25