High Quality Content by WIKIPEDIA articles! The Mansfield and Pinxton Railway was an early horse-drawn railway company in the United Kingdom, constructed in 1819 to transport coal between Mansfield and the head of the Pinxton branch of the Cromford Canal and thence by the Erewash Valley and the Trent to Leicester. Its importance lies in its influence on later railway building in the area, particularly the development of the Midland Counties Railway.