Whippet have announced that the frequency of their X3 service will be increased to half-hourly on weekdays only with effect from Tuesday 4th May. Route 478 will be replaced by the revised X3, and former X3 services will extend to/from Cambridge on weekdays.
Further information is available on the Whippet website. The revised timetable can be viewed and downloaded here.
Cambridge Area Bus Users 
Your dates are shown as April…the changes start in May. 4 May 2021 – Whippet Express X2 X3 change
As our X3 buses get busier while lockdown eases, we are pleased to increase our X3 bus service to operate every 30 minutes through the day on weekdays from Tuesday 4 May.
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