A Douglas road due to reopen soon after a six-week closure will now remain closed for another two months.
Groves Road closed near the NSC in November while drainage works takes place.
It was due to reopen on January 21 but contractors say they need to carry out extra work.
As a result, the Department of Infrastructure says it'll remain shut until March 15.
Two ferry crossings under threat on Wednesday
Record-breaking heat last month, says Met Office
Complaints over Ben-My-Chree's refurb works
Census officers to visit homes of people who haven't submitted
Seagull terror forces cafe to remove outdoor seating
Not practical to give details on police call-outs, says minister
Steam Packet asks travellers to be patient
Plans for new veterinary practice submitted