This is from the National Highways Agency about the overnight closure of the A10 this week:
They are currently carrying out finishing works for which they need to close lanes or
carriageways on the A1, A14 and some local roads at times, usually overnight
between 9pm and 6am, unless otherwise stated. A clearly signed diversion route will
always be in place for closures.
For this week 13 January – 4 February), the planned closures are:
Full closures
Tuesday 1 to Friday 4 February (four nights)
• A10 northbound between the Milton junction 33 gyratory and Butt Lane
Vehicles will be diverted east on the A14 to Newmarket junction 37, north on
the A142, west on the Ely Southern Bypass and then either south on the A10
for access or re-join the A10 northbound to continue their journey
For more information about this scheme, visit https://nationalhighways.co.uk/ourwork/a14-cam