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.
Martyrs Bridge (Bamako) palace. From the south of the bridge runs Avenue de l'Unite Africain, the major route from the city centre south to Bamako-Senou Airport. In 1982 a second road bridge, the King Fahd Bridge, was opened just 500 meters upstream. Both bridges connect the central city neighborhood of Commune III with Badalabougou. Prior to the 1950s, the only crossing of the Niger at Bamako was at the Sotuba Causeway, 8 kilometers downstream from the city, which is a low water crossing of cut stone at the location of a natural rapids. The Aigrettes Dam, 200 kilometers upstream, is a hydroelectric station