I find the easiest thing is just to put the bike lock through an air vent at the front of the helmet before locking the bike up. That way you lock both the helmet and the bike frame to the bike stand at the same time.
On the previous strike days, I recall the strike service on conductor-worked lines was: 1 train per hour Brighton to Bognor, 1 train per hour Three Bridges to Chichester (connections between the two at Barnham), 1 train per hour Brighton to Eastbourne. All as daytime only. Brighton Mainline ran...