 Stuart provided a cost estimate for the construction, and a Parliamentary bill was submitted to form the "Plymouth and Dartmoor Railway", with Stuart as its Engineer.It was incorporated by Act of Parliament on 2 July 1819 with capital of £27,783, authorising it to build from Crabtree to Princetown.Tyrwhitt ceremonially laid the first rail on 12 August 1819, but in fact contracts had not yet been let for the construction, and some re-appraisal of the engineering of the railway was to intervene.