Best A4
The LNER Class A4 Sir Nigel Gresley is a British steam locomotive built in 1938. Notable for its speed and elegant design, it was designed by Gresley himself to compete with contemporary diesel locomotives. This particular example represents the pinnacle of express passenger service during the era o...
The LNER Class A4 ‘Union of South Africa’ is a British steam locomotive built for express passenger services. Notable for its streamlined design and powerful performance, it represents a peak in locomotive engineering during the 1930s. This particular example was used by the London & North Eastern R...
The Marão Tunnel is a twin-tube road tunnel traversing the Serra do Marão mountain range in the northern region of Portugal. It forms a crucial segment of the A4 motorway, providing a modern transportation link between the coastal city of Porto and the inland region of Trás-os-Montes. Measuring appr...
