ALISHAR Prepared the airport upgrading proposal of Main Terminal, Concourse, The Royal Terminal and other landside and airside improvements to accommodate the need of expanding air traffic demand of the southern region of Assir in Saudi Arabia. The main scope of design works is the provision of new terminal building and royal terminal building linked by a passenger concourse and boarding gates. Provision of double level parking structure and driveway ramps to segregate the arrival and departure movements of both passengers and vehicles. Landside Improvements includes the separation of arrival and departure activities separated by overhead ramp where departure area is located, Provision of double level car park structure in front of the terminal building. The major improvement proposed is the provision of passenger concourse and boarding gates linked to the main terminal building. The new facilities will decongest and secure the link between the airside and landside movements of both passengers and airport staff.