The Department of Infrastructure says releasing the cost of a ticketing system for public transport could breach its contract with the supplier.
A Freedom of Information request asked how much the system had cost since it was set up three years ago.
The DOI says £400,000 was put aside for ticket machines and smart cards project in 2013.
But it says providing more details would damage the commercial interests of Ticketer, the company which provided the system.
Christian to defend seat
Douglas South MHK Claire Christian has announced she'll defend her seat in the general election.
Police ask people to avoid Mountain Road after supercar crash
Police are asking people to avoid the Mountain Road as they deal with crash.
Over £2.7k raised by firefighters' 'Station To Summit' challenge
Four firefighters have raised more than £2,700 by carrying a rescue mannequin on a stretcher from Ramsey to North Barrule and back.
Onchan post office to stop trading
Onchan's postmaster says the village's post office will be closing in August
Police report fall in sexual offences
The police say the number of sexual offences, including rape, has fallen over the past year.
Newsagent to run in election
A new candidate has declared they'll stand for Rushen in the general election.
Fire service issues wildfire warning in hot weather
The Island's Fire and Rescue Service is warning the public on the dangers of wildfires.
New grants planned to make homes more efficient
A new scheme that could help households switch to cleaner heating is set to go before Tynwald next month.
