Dubai: Heavy trucks and heavy buses will be prohibited from overtaking one another within UAE cities under traffic regulations taking effect on January 1, 2027, which also establish requirements for vehicle loads, designated routes and drivers’ eyesight.
The provisions are contained in Cabinet Decision No. 174 of 2026, which introduces the executive regulations of Federal Decree-Law No. 14 of 2024 on Traffic Regulation.
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Under Article 34, heavy buses and heavy vehicles are prohibited from overtaking one another within cities. Outside urban areas, overtaking is permitted only if it does not obstruct traffic.
The regulations also prohibit these vehicles from leaving designated lanes wherever such lanes are provided.
Six obligations for heavy vehicle drivers
Article 31 sets out six requirements that heavy vehicle drivers must follow.
Drivers must remain on the right-hand side of the carriageway, leaving it only when necessary or when overtaking.
They must also ensure that their vehicles do not exceed the load limits approved by the licensing authority or the permitted height restrictions.
The regulations prohibit carrying passengers in heavy vehicles, except employees of the vehicle's owner and workers involved in loading and unloading, provided designated seats are available.

