Tay Bridge disaster warned of their unreliability, and declined to estimate conditions at Dundee from readings taken elsewhere. One modern interpretation of available information suggests winds were gusting to . Usage of the bridge was restricted to one train at a time by a signalling block system using a baton as a token. At 7:13 p.m. a train from the south (consisting of a 4-4-0 locomotive, its tender, five passenger carriages, and a luggage van (brake van) slowed to pick up the baton from the signal cabin at the south end of the bridge, then headed out onto the bridge, picking up speed.
Tay Rail Bridge Tay. All seventy-five persons were lost. The disaster stunned the whole country and sent shock waves through the Victorian engineering community. The ensuing enquiry revealed that the design of the bridge had not accommodated for high winds. At the time of the collapse, a gale estimated at force ten or eleven (Tropical Storm force winds: 55-72 mph/80–117 km/hr) had been blowing down the Tay estuary at right angles to the bridge. The engine itself (North British Railway no. 224) was salvaged from the river and subsequently restored for service on the railway. The collapse of the bridge, despite having only