Reports, Documents
There are a number of official reports which support our case. here are some of them:
Select Committee Report. Look at Section 4 - Ticket gates Not the Only Solution.
East Midlands Rail Franchise document
This is a large (170 page) pdf document, but we draw your attention to section
11.8(b) - p99, which gives EMT the option to meet the franchise obligation by providing
"reasonable revenue protection measures on trains", which can mean more staff to sell and check tickets.
Figures on safety at Sheffield Station - coming soon.