Train operator Chiltern Railways has warned customers that there will be a significant impact on its services due to upcoming strike action by ASLEF and the RMT.
On May 31 and June 3, no trains will run on any Chiltern route due to strike action by ASLEF.
A limited service will be in place on June 1 due to industrial action (overtime ban) by ASLEF.
On June 2, a very limited service will be in operation due to strike action by the RMT.