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A501 between A5 and Old Marylebone Rd, Westminster (Grid ref TQ272817) A501 between A5/A4209 and Marylebone Rd, Westminster (Grid ref TQ273817) A501 between Old Marylebone Rd and A41 Gloucester Place, Westminster (Grid ref TQ276818) A501 between A41 and A41, Westminster (Grid ref TQ278819) A501 between Baker St and Park Crescent (mid-junction), Westminster (Grid ref TQ280820) A501 between A501 and A4201, Westminster (Grid ref TQ288822) A501 between A4201 and A400, Camden (Grid ref TQ290822) A501 between Tottenham Court Road and Gower Street, Camden (Grid ref TQ293823) A501 between A400 and A4200, Camden (Grid ref TQ296825) A501 between A4200 and A5202, Camden (Grid ref TQ300827) A501 between A5202 and Gray's Inn Rd, Camden (Grid ref TQ302829) A501 between York Way and Caledonian Rd, Islington (Grid ref TQ304830) A501 between Caledonian Rd and Kings Cross Rd, Islington (Grid ref TQ304830) A501 between King's Cross Rd and Penton Rise, Islington (Grid ref TQ307830) A501 between Swinton St and Pentonville Rd, Islington (Grid ref TQ308829) A501 between Penton Rise and A1, Islington (Grid ref TQ310830) A501 between A1 and Wakley St, Islington (Grid ref TQ317830) A501 between A1 and City Rd, Islington (Grid ref TQ317830) A501 between Wakley St and Islington boundary, Islington (Grid ref TQ320829) A501 between Hackney boundary and A1200, Hackney (Grid ref TQ324827) A501 between Provost Street and East Road, Islington (Grid ref TQ327826) A501 between A1200 East Road and A5201 Old Street, Islington (Grid ref TQ327825) A501 between A1211 and City of London boundary, City of London (Grid ref TQ327816) A501 between A5201 and Islington boundary, Islington (Grid ref TQ328820)