A section of The Busway is set to shut for an entire weekend, with a bus diversion in place between Huntingdon and Cambridge.
The route will shut between Swavesey and St Ives from 00.01am on Friday, June 24 until 5am on Monday, June 27.
A spokesperson for Stagecoach East, which runs The Busway routes A and B, said passengers using both routes could experience delays, with no service to Hinchingbrooke Hospital in Huntingdon during the closure period.
A Stagecoach statement reads: "Delays are expected due to the length of the Diversion.
"We are unable to serve Fen Drayton Lakes and the B service will terminate at the Huntingdon Bus Station and will be unable to serve Hinchingbrooke Hospital during the track closure.
"We apologise for the delays to the service at these times."
Routes 904 and V5, which connect with The Busway but do not run on Sundays, will continue to serve Hinchingbrooke Hospital in Huntingdon.
Although Fen Drayton Lakes will be shut, the rest of the line will remain open.
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