GTR passengers urged to check their journeys ahead of national strike action by ASLEF
Tuesday 30 January: no trains will run across the vast majority of GTR network except for very limited shuttle services to support essential travel to airports.
Amended timetable in place from 29 January until 6 February due to nationwide overtime ban.
Govia Thameslink Railway (GTR), which operates Southern, Gatwick Express, Thameslink and Great Northern, is warning customers that regrettably