Verification from list of streets that Little Hasse Drove from its jcn with Common Gate Road west then south to this note is not adopted by Cambs CC: 
https://www.cambridgeshire.gov.uk/asset-library/list-of-streets-june-2021.PDF
(Common Gate Drove is in two parts, which when added give the length of the road as shown on the map. Little Hasse Drove as on list of streets gives the length of LHD from Hasse Drove to this note then south to the farm building marked.)