Just seen that Stagecoach are going to be running an AV82 service from Birmingham to Villa Park on match days. Service will be starting from Dudley Street to Villa Park three hours before kick-off, then from Grosvenor Road to New Street after the match...
https://www.avfc.co.uk/news/2024/march/28/New-express-city-centre-shuttle-buses-set-to-launch-on-matchdays/
https://www.avfc.co.uk/news/2024/march/28/New-express-city-centre-shuttle-buses-set-to-launch-on-matchdays/