A 153 got to Liverpool St when it shouldn’t but the prize when I was at the Cross was a 312 taking the road into the milk dock instead of platform 9/10. The confused punters got out and one person headed up to Cheney Road with the rest gingerly following, seriously lost! The pan broke it’s back and ended up on the milk dock roof. The 312 had to be hauled away to Hornsey by “1 Shunt”, the station cl.31 pilot.
Back when the Anglia 170 units did Hull, one day there was a sudden block on at Ferme Park (a factory fire, iirc) and they were ready to go with one at KX so it was right away Hull via Copenhagen Tunnel, reverse, up the Incline to Camden Road, reverse, North London to Stratford, onto the GE, blast down the main, turn left at Ipswich, across to Ely, Peterborough and then booked route to Hull! Anglia was a “can do” outfit.