Trains between Worksop and Lincoln have been suspended due to flooding between Gainsborough Lea Road and Retford.
Torrential rain around the Gainsborough area has caused travel chaos with several roads in and around Gainsborough also closed.
Replacement buses are running, but road conditions in the area are poor with Worksop.
Interconnect 100 is unable to serve Blyton Road A159 between QEHS and Blyton.
The service is diverted via Laughton Lane, Carr Lane and Blyton village.