Travel South Yorkshire said all services using Meadowhall Interchange were being affected.
A spokesman advised passengers to expect delays.
Roadworks causing delays to bus services near Meadowhall
Heavy traffic and roadworks are causing delays to bus services in and around Meadohwall shopping centre.
By The Newsroom
Wednesday, 25th July 2018, 8:26 pm
Updated Wednesday, 25th July 2018, 8:32 pm