Tony Warner, 73, died following a two-vehicle collision on the A14 on Monday, police say.
The crash involved a lorry and a car, say police.
It comes after two lorries collide leaving one of the drivers in hospital in a critical condition.
Walkers say they will object to "well-used" paths across railtracks on a list of 15 being closed.
Jimmy's Farm is collaborating with Anglia Ruskin University in an attempt to boost its numbers.
Work on the bridge is expected to continue until August, National Highways says.
Data shows the road shuts on average every four days due to serious incidents between 2021 and 2024.
As thousands of people celebrate the festive day, hundreds across the county are working as usual.
The farm says nearby roadworks and a traffic accident made access to the event more challenging.
