The Midfield Terminal Building (MTB) project at Abu Dhabi International Airport is reportedly on track to complete in Q4 2019.

Abu Dhabi Airports has announced that construction progress on the project has crossed the 85% mark, and that 66%, or $3.4bn (AED12.5bn), of its $5.2bn (AED19.1bn) budget has already been spent.

Abdul Majeed Al Khoori, acting chief executive officer of Abu Dhabi Airports, said: “According to the schedule, it will be ready for operation in 2019, and we are confident [that] our contractor and teams will deliver. This building will serve 84 million passengers a year, or 11,000 passengers per hour at peak times.

''The MTB, which will support both our own long-term growth ambitions and those of other Abu Dhabi stakeholders, particularly Etihad Airways, is now 86% complete and experimental operations will begin by the end of 2018.''

IN PICTURES: Latest images of Abu Dhabi's Midfield Terminal project

Al Khoori noted that the project will support the emirate’s goal of establishing a diversified, sustainable economy by boosting its air, land, and sea transport system.

Spanning 742,000m2, 28,000m2 of which will be allocated as retail and food and beverage space and 30,000m2 as lounge space, the Midfield Terminal System will feature 145 elevators, 46 travelators, and 106 passenger bridges.

According to UAE state news agency, WAM, MTB will also boast a 180m-long and 52m-high indoor arch, weighing 1,000t. It is expected to rank as the world’s longest indoor arch upon completion.