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
Worcester, Nashua and Rochester Railroad years later. The Commonwealth of Massachusetts acquired this portion of the right of way; in 2002 it was officially opened as the Nashua River Rail Trail. The one mile of track between Union Station in Nashua and an industrial park was abandoned finally in 1993. The W&N still survives between Ayer and Worcester, operated by Pan Am Railways whereby it is now designated as that railroad's Worcester Main branch. The line sees daily through-freight usage, permitting interchange at Worcester with CSX and Providence & Worcester Railroad. Worcester, Nashua and Rochester Railroad The Worcester, Nashua and Rochester Railroad was a railroad