Czech rail records
The fastest steam locomotive
Locomotive 498.106 ČSD, nicknamed Albatross, reached top speed 162 km/h on railway test circuit Velim (August 27, 1964)
British Rail Class 91
A Class 91, 91010 (now 91110) holds the British locomotive speed record at , set on 17 September 1989, just south of Little Bytham on a test run down Stoke Bank with the DVT leading. Although Class 370s, Class 373s, and Class 374s have run faster, all are EMUs, which means that the "Electra" is officially the fastest locomotive in Britain. Another loco (91031, now 91131), hauling five Mk4s and a DVT on a test run, ran between London King's Cross and in 3 hours, 29 minutes and 30 seconds on 26 September 1991. This is still the current record. The set covered the route in an average speed of , and reached the full several times during the run.