River Tay naturally. To aid this process and improve the health and resilience of the population a further 28 beavers will be released in Knapdale between 2017 and 2020, however there are no plans at present to release further beavers into the Tay. In the 19th century the Tay Rail Bridge was built across the firth at Dundee as part of the East Coast Main Line, which linked Aberdeen in the north with Edinburgh and London to the south. The bridge, designed by Sir Thomas Bouch, officially opened in May 1878. On 28 December 1879 the bridge collapsed as a train passed
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