River Tay Dochart until it flows into Loch Tay at Killin. The River Tay emerges from Loch Tay at Kenmore, and flows from there to Perth which, in historical times, was its lowest bridging point. Below Perth the river becomes tidal and enters the Firth of Tay. The largest city on the river, Dundee, lies on the north bank of the Firth. On reaching the North Sea, the River Tay has flowed from west to east across central Scotland. The Tay is unusual amongst Scottish rivers in having several major tributaries, notably the Earn, the Isla, the River Tummel, the Almond and
Tay Bridge disaster Glasgow upstream of, and parallel to, the original bridge. Work started 6 July 1883 and the bridge opened on 13 July 1887. Sir John Fowler and Sir Benjamin Baker designed the Forth Rail Bridge, built (also by Arrols) between 1883 and 1890. Baker and his colleague Allan Stewart received the major credit for design and overseeing building work. The Forth Bridge had a 40 mph speed limit, which was not well observed. Bouch had also been engineer for the North British, Arbroath and Montrose Railway, which included an iron viaduct over the South Esk. Examined closely after the Tay bridge