Holloway Road on the Piccadilly Line, zone 2.
the North and M25 junctions 21/21A:
Follow M1 to junction 2 for A1. After 1.3 miles use any lane to turn slightly
left onto Barnet By-Pass/N Circular Rd/Great N Way/A406. Then use the
right 2 lanes to turn slightly right onto Falloden Way/A1. After about
2.5 miles turn left onto Shepherd's Hill. At the roundabout, take the
2nd exit onto Stanhope Rd. Then turn left onto Hornsey Ln/B540. Then turn
right onto Hornsey Rise/A103 and continue for 1.3 miles. Then turn left
onto Hornsey Rd. The centre is on the right.