There is an aspiration for half-hourly services, with trains towards Bristol terminating alternately at  and , however due to the large sections of the Severn Beach Line which are single-track, and to the congested main line from Temple Meads, such frequency is not currently feasible. The enhancement scheme was given the go-ahead in July 2012 as part of the City Deal, whereby local councils would be given greater control over money by the government.
There's a desire for half-hourly services with trains to Bristol terminating alternately at  and , but due to single-track sections on the Severn Beach Line and congestion on the main line from Temple Meads, this isn't currently possible. The enhancement plan was approved in July 2012 as part of the City Deal, giving local councils more control over government funds.