M54 or M-54 may be:
Roads: M54 motorway, a motorway in England also known as the Telford Motorway M-54 (Michigan highway), a state highway in Michigan M54 (Cape Town), a Metropolitan Route in Cape Town, South Africa M54 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).