First Great Western has promised to make changes "where necessary and possible" on its Oxford to London services as discontent about overcrowding continued (link below.)
http://www.rmtbristol.org.uk/2007/01/rail_crowds_get_worse.html#more

As the row over congested trains grew , city councillors pledged to support passenger pressure group Oxford Rail Action in their efforts to increase passenger capacity on early morning commuter trains. Also , a Parliamentary petition , backed by MPs of all parties , demanded an "urgent review" of the rail industry to tackle the problem.