The Department of Infrastructure says it's had to close the Mountain Road because of 'significant current pressures' on emergency services.
It's in force with immediate effect, 11.50am, Saturday, June 6.
The decision has be made on public safety grounds, so emergency services can respond to incidents without delay.
Officials say the situation will be kept under review, and reopen as soon as it's safe to do so.
Condition updates on three riders after Friday crashes
TT organisers have provided condition updates on three riders after their crashes on Friday, June 5.
£10k raised by popular charity walk
A charity walk has raised £10,000 for a sports charity in the South.
Further two-hour delay to planned racing
TT organisers have announced another, two-hour delay to today's planned race schedule.
Douglas-based Taxi firm stops operating
One of the Island's biggest taxi companies has stopped operating.
Questions raised over government tender for hygiene inspections
An MHK wants to know why the government is tendering for a private company to do food hygiene inspections.
Are too many buildings waiting to become protected?
Are there too many buildings on the list to become registered in the South?
Politician wants to know why hospital was being valued
Questions about the valuation of Ramsey Cottage Hospital will be raised in the House of Keys next week.
New laws would mean less regulation for small charities
Should smaller charities face less rigorous regulation?
