River Medway points along the North Downs, the Weald and Ashdown Forest. The major tributaries are: Minor tributaries include: Former minor tributaries include the Old Bourne River, which flowed through the Brook, Chatham (not to be confused with the main tributary River Bourne). The river and its tributaries flow through largely rural areas, Tonbridge, Maidstone and Medway being the exceptions. The Medway itself initially flows in a west-east direction south of the North Downs; at the confluence of the River Beult, however, it turns north and breaks through the North Downs at the Medway Gap, a steep and narrow valley near Rochester,
Maidstone in Kent to be turnpiked was from Rochester to Maidstone, in 1728. The A20 runs through the town and the M20 motorway runs to the north. Opened in 1960 as the "Maidstone Bypass" A20(M), this was the first motorway south of London. Maidstone is a hub for major roads: the M20 motorway, the A229, A249, A20 and A26. The M2 motorway is a short distance to the north and the A21 also runs close to the town. The historic centre of the town is largely pedestrianised or with restricted access for private vehicles, which are diverted around a one way