National Cycle Route 12
National Cycle Route 12 is part of the National Cycle Network managed by the charity Sustrans. It currently has a length of but is incomplete. When fully constructed it will run from Enfield Lock (London) to Grimsby (Lincolnshire) in the United Kingdom. Route Enfield to Hatfield Enfield | Potter's Bar | Hatfield | The route starts at Enfield Lock at the junction with National Cycle Route 1. The route is open and signed through Enfield to Chase Farm via Forty Hall Country Park. This section has recently been extended through new woodland for approximately 2 miles eastwards, but not yet through to Hadley Wood. For now, there is a possible route via this new path and then along Ferny Hill, but this road is steep (westbound), busy and has a 60mph speed limit. At Hadley Wood station, route 12 starts again as The Great North Way and is continuous to north of Letchworth at the Hertfordshire county boundary. There is a short cut cycle route direct from the station to Waggon Road. The route is on road from Hadley Wood to Dancers Lane, then a bridleway to South Mimms services. At South Mimms route 12 has an entrance to South