37421 & 37425 with the 1Q94 Test Train 21/05/2026

A video shows train units 37421 and 37425 operating on the 1Q94 Test Train service, moving between Cromer, Sheringham, Great Yarmouth, Lowestoft, Norwich, and Salhouse. The service was affected by a prior incident that altered its route, bypassing the Wherry Lines to Great Yarmouth and heading directly to Lowestoft upon returning to Norwich. The footage captures the trains in operation, with some movement observed after a delay of approximately two hours and 30 minutes.

Fishplate has identified 2 locomotives in this video. We’ve also matched 1 headcode and 2 operators . Create a free account to see where they appear, unlock timestamps and locations, and view the full breakdown.