It's to ensure that the roads are clear when IDEX gets underway.
Heavy trucks have been banned from Abu Dhabi's Arabian Gulf Road on Sunday.
Police say the ban will be effect from 6 AM to 6 PM to coincide with the opening say of the International Defence Exhibition and Conference (IDEX).
Traffic on the road will be partially closed in both directions from 10:30 to 12:30, and will be diverted to alternative routes through Maqta Bridge and Sheikh Zayed Bridge.

UAE issues rain alert on Wednesday
Storms forecast to intensify across UAE by Thursday
UAE air defences intercept 5 missiles, 17 drones on Tuesday
UAE hosts Eid Al Fitr carnival for children in Gaza
UAE carries out over 8,000 inspections across markets to protect consumers
UAE condemns Iranian attacks on Bahrain
UAE President and NATO Secretary General discuss regional developments
UAE, Slovenia condemn Iran attacks and regional developments
