Special vehicle

Special vehicles can be grouped into the following subsets: a) on-track machines are vehicles specially designed for the construction and maintenance of the track and infrastructure; b) infrastructure inspection vehicles are vehicles utilised to monitor the condition of the infrastructure; c) environment vehicles are designed to clear the track of environmental conditions, such as snow; d) emergency vehicles are designed for specific emergency uses, such as evacuation, firefighting and train recovery (including breakdown cranes); e) road-rail non-passenger vehicles are self-propelled machines capable of operating on both rails and roadways.