About half of Gulf airspace is reserved for military use.
Saudi has the largest rail project pipeline, worth over $100bn.
Dubai's RTA warns of tough penalties ahead of tram launch in November.
The tram is expected to transport 27,000 passengers per day at first.
Qatar Rail confirms its target finish date will be met.
Figures show 19 percent increase on same period last year.
New roads and metro expansion among work open to bids.
Metro will be ready for public use in 2022.
Etihad Rail & National Quarries sign MoU over materials distribution.
UAE federal government expected to fund work on 628km stage two.
Only Cairo and Bangkok residents spend less on public transport.
The metro will operate from 10am to midnight tomorrow
British experts are helping Qatar develop its new rail network.
The launch took place at InnoTrans, which ends on 26 September.
Metro includes 85 stations and six lines along 176km of track.
Nearly $20bn has so far been spent delivering services in the emirate.