Manx Utilities says it'll partly reopen the road at White Hoe tomorrow.
It says the work at the pumping station is ahead of schedule, allowing it to open one-way into Douglas which won't be reversed at the end of the day.
The Old Castletown Road will reopen at 7am tomorrow morning to the one-way traffic, alleviating tailbacks caused elsewhere by diverted vehicles.
The organisation says it hopes to fully reopen the route on Wednesday, March 25.
New schedule aims to make sure Senior TT goes ahead
TT organisers have released an updated schedule after more racing was disrupted by weather today.
Wats declares for Arbory, Castletown and Malew
Another candidate has declared they'll stand in the general election for Arbory, Castletown and Malew.
Temperatures struggled to hit 15°C in May
Weather for May was split down the middle, according to the Met Office's latest report.
Commissioners appeal for PJs for sick children
Could you donate pyjamas to youngsters in hospital?
Southern 100 organisers ban sidecars for 2026
Southern 100 organisers have announced sidecars won't be included in the 2026 races.
WATCH: Ramsey cat's near miss on claws-ed roads!
A cat in Ramsey is down to eight lives - after defying an oncoming rider in practice week.
Grandstand fan park to re-open after closure
TT organisers say the Grandstand's fan park will soon be back open after closing for around three hours.
Ramsey cafe "blown away" by community response after leak
A café in Ramsey has thanked the community for rallying round after a flood earlier.
