The Lynn Road is closed in both directions due to flooding between Surrey Street, Wiggenhall St Germans, and Fitton Road.
The bridge over the Great River Ouse is closed.
More top news
For the first time in its 20-year history, the National Winter Ales Festival is being hosted in the Anglia region.
The Met Office has issued an early storm warning for strong winds forecast to hit the Anglia region on Thursday.
Traffic congestion in towns and cities in the Anglia region are delaying drivers for hours and costing the economy millions.