The Roads & Transport Authority (RTA) has moved the entry deadline for a design competition for increasing the capacity of Dubai’s Sheikh Zayed Road to early April.

The competition is separate to earlier plans for the double-decking of Sheikh Zayed road, for which consultants submitted offers in 2014.

At the time, that large-scale infrastructure project was one of the most ambitious in the emirate and was expected to cost more than AED10bn ($2.7bn) to build.

The RTA had shortlisted three consultants. They were:

Sheikh Zayed Road is the main highway running through Dubai and frequently experiences heavy traffic for up to 10 hours a day.