The public safety operation in the Waterside continues and Crescent Link has re-opened between Kilfennan Link Road roundabout and Altnagelvin Hospital.
Police say evacuated residents will be facilitated to allow them back into their homes with access to Waveney Park via the Rossdowney Road end of Richill Park.
Main access to Richill Park, via Lisnagelvin Road, remains closed at this time.
