High speed tests at Cheddington and Watford, 1971 – Aerodynamic effects of two trains passing. (Design Project No, 80327).

Measurements were made during the High Speed Tests at Cheddington in 1970 and showed that no serious aerodynamic effects were produced when passing station platforms and stationary trains at speeds up to 125 mph (see Report T.185). It was recommended, however, that further tests should be conducted to examine the...