Rochester, Kent the Blackheath Beds of sand and gravel. As a human settlement, Rochester became established as the lowest river crossing of the River Medway, well before the arrival of the Romans. It is a focal point between two routes, being part of the main route connecting London with the Continent and the north-south routes following the course of the Medway connecting Maidstone and the Weald of Kent with the Thames and the North Sea. The Thames Marshes were an important source of salt. Rochester's roads follow north Kent's valleys and ridges of steep-sided chalk bournes. There are four ways out of
Borough of Maidstone earliest in the county – that to Rochester and Chatham – was opened in 1728. In modern times, two motorways – the M2 and the M20 – pass to the far north of the borough and just north of the town centre of Maidstone respectively. The earliest line through Kent was built by the South Eastern Railway. It was not, however, built to pass through Maidstone: instead, a station was built at Paddock Wood railway station, then named "Maidstone Road", some six miles away. It was only in the period between 1844 (when that main line was connected by a