A timetable designed to run on a Saturday in 2021. Due to engineering work between Letchworth and Cambridge, it has been decided that Great Northern and Greater Anglia will collaborate in running 8 and 12 car non-stop services from Liverpool Street to Cambridge (and onward towards Ely and Kings Lynn). The other services to run include the Stansted Express, additional trains here and there as will run in future (or possibly not?). The looping of trains provides intrigue when delays are added. Enjoy.