UPDATE: The planned works has been delay due to the weather and will now start from 22nd Feb and end on Friday 11th March 2021 the section of highway over the railway bridge at the bottom of Bois Lane will be closed to all traffic (except emergency services). Pedestrian access will still be allowed. Transport for Bucks are carrying out safety barrier upgrade works.
Further information can be found at: https://one.network/downloads/tm/1016/ttro-application-form-mk-new_118196709_3249973_2bebf229a8.pdf