Walsall train route's £3m improvements under way
Work has begun on a £30m project to electrify 15 miles of railway in the West Midlands.
Network Rail is electrifying the stretch of track between Walsall and Rugeley Trent Valley.
Rail bridges in Bloxwich and Hednesford are now being reconstructed as part of the project. Electrification work is due to begin in 2015.
A Network Rail spokesman said the work will help reduce carbon emissions and cut the cost of running the railway.
Work on the line is expected to be complete by 2017, the spokesman said.
Rail services will not be affected until March/April, when the line will be closed for short periods on Sunday mornings to allow construction work to be completed.
Rail replacement services will run during these periods, the spokesman added.