Thanks for your feedback Phil. What other details would you like to see?
The data is collated from Network Rail's official feed so will be as accurate as possible.
ianrail - Unfortunately the API to generate graphs does not support older browsers. If you got redirected then you would be using Internet Explorer 8 or lower. Internet Explorer 8 is now 4 years old and the rate of development for web apps has come a long long way in that time. I'd highly recommend upgrading to experience better functionality and security but it's your choice