Problems have been reported with the line blocked as of 9.30am.
A spokesman for West Midlands Railway said there would be alterations to services.
For more visit westmidlandsrailway.co.uk/#walsall-line
📢 Problems reported— West Midlands Railway (@WestMidRailway) March 11, 2023
🚧 Alterations to services between Wolverhampton and Birmingham New Street: Due to trespassers on the railway between Wolverhampton and Birmingham New Street the line is blocked.