Transport minister Walter Roban’s trip to Washington for a series of education meetings cost about $3,100, according to the Government’s travel expenses website.

Mr Roban was in the United States between November 29 and December 6 with Permanent Secretary Aideen Ratteray Pryse.

The total cost of the trip amounted to $3,182, which included $750 on air travel and $1,650 on accommodation.

The total bill also included $374 on ground transportation and $328 on meals.

Mr Roban attended the Harvard Kennedy School for an executive education presentation called “Recovering the Public in Public Value” during the trip.

He was also accompanied by Ms Ratteray Pryse to meetings with several space and satellite specialists.