Restriction Code 4T

Not valid on trains timed to depart:

• London Terminals (except as shown below) on Monday to Thursday after 06:44 and before 07:59 and after 15:54 and before 17:46 and Fridays after 06:44 and before 07:59;
• London Liverpool Street after 04:29 and before 09:30 and after 16:29 and before 18:59;
• London St Pancras International after 04:29 and before 09:00 and after 16:34 and before 18:49;
• London Euston after 04:29 and before 09:26 and after 15:00 and before 18:45;
• Stevenage on Monday to Thursday after 07:14 and before 08:15 and after 16:17 and before 17:58 and Fridays after 07:14 and before 08:15;
• Luton after 04:29 and before 09:01 and after 16:26 and before 18:59;
• Luton Airport Parkway after 04:29 and before 09:01 and after 16:29 and before 18:59;
• Bedford after 04:29 and before 09:01;
• Watford Junction after 04:29 and before 09:38 and after 14:38 and before 18:38;
• Milton Keynes Central after 04:29 and before 09:51.