There's always road closures for Lewes bonfire, the lack of trains was, as mentioned above, due to the strike. Ordinarily there'd be extra trains to/from Lewes.
I'm not sure extra trains are in the contract the club has with Southern. I have nothing to back this up with though as I, like all of us, have no idea to who and how much goes to different providers.
I'm pretty sure no one involved in Lewes bonfire pays Southern for a service, but they put on...
Unfortunately, B&H buses - by far the biggest provider, are owned by the same parent company as SASTA. I'm led to believe they have similar working practices in that there aren't enough staff to run the service without relying on OT. Think they have the same employer/employee relations too and...