The summary of proposed capacity interventions is interesting :
Route 12: Reading to Penzance
London & South East
1. Train lengthening for Kennet Valley service
Route 13: Great Western Main Line
Long Distance
1. The deployment of High Density High Speed Trains on services into Paddington to provide additional capacity
London & South East
1. Strengthening Paddington peak arrivals up to 7 cars
2. Additional fleet of faster vehicles to operate 6 or 7 car Thames valley and some Cotswold/Oxford to Paddington main line services
Regional: Commuter
1. Strengthen Bristol area services to 4 cars
2. Additional vehicles for new Ebbw Vale service
Route 14: South and Central Wales and Borders
Regional: Rural
1. Hourly Cambrian service and Pembroke Dock service
Route 15: South Wales Valleys
Regional: Commuter
1. Strengthening the Valleys services and half-hourly Vale of Glamorgan service
Route 16: Chilterns
Long Distance
1. Train lengthening the Birmingham Snow Hill to Marylebone services
London & South East
1. Train lengthening local services to Marylebone
2. December 2010 timetable re-cast to provide a peak hour regular train service, shorter journey times, and more capacity.