The extensive work. if approved by Tynwald members, will mean delays for motorists for over a year as the route, the main road from the west into the capital, is put back into shape.
However there will be a bonus for those on two wheels.
Part of the old road will be recycled and used to give the old railway line from Douglas to Peel a better surface.
Director of Highways Richard Pearson:
Southern 100 planning to run classic sidecars for 2026
It's after modern machines were excluded from July event
BMA to ballot doctors in the IOM for industrial action
It's amid ongoing disputes over pay and working conditions
Manx air quality 'significantly' better than UK average
Study held over two years monitors air pollution near schools
Visitors told "take extra care" as TT Fan Park to reopen
Access via Grandstand only as areas remain 'soft underfoot'
