Inner Tay Estuary viridis" - a species normally found only in north-eastern North America. Scottish Natural Heritage has commissioned and published habitat survey reports for the Inner Tay Estuary. Public roads run within a few hundred metres of the both north and south shores providing easy access to view the estuary and its wildlife, though car parking is limited in many places: (south shore) Wormit, Balmerino, Newburgh, Elcho Castle; (north bank) Riverside Drive in Dundee by the railway bridge, Invergowrie, Kingoodie, Port Allen, Powgavie, Cairnie Pier; (in Perth) from both banks, the bridges, Moncreiffe Island; (in Bridge of Earn) the bridge. The minor
Tay Rail Bridge 25 mph speed limit on traffic passing over the bridge. Subsequently, Hutchinson explained to the Inquiry that he had suggested this speed limit because of the minimal taper on the piers. The inspection report added: "When again visiting the spot I should wish, if possible, to have an opportunity of observing the effects of high wind when a train of carriages is running over the bridge". On 1 June 1878, the Tay Bridge was opened for passenger traffic, while formal opening ceremonies having taken place during the previous day, in the course of which Thomas Bouch was made a burgess