Replacement bus service running on First Great Western between Bourne End and Maidenhead due to problem with lineside equipment at Bourne End.
Journey times will be extended by up to 30 minutes. There is no current estimate for when a normal service will resume.
More top news
Tuesday's weather for the east with Philippa
Tuesday's weather for the west with Philippa
Thousands of bikers head to Hastings for a biking festival that organisers say now rivals the Isle of Man's TT races