Bottlenecks often occur when one machine processes passengers faster than the next. Players on Steam Community and Reddit have verified these specific equipment ratios for smooth flow: Equipment Combination Verified Ratio (ID : Bag : Detector) Expert Note 2 : 1 : 2 Balanced for most mid-sized airports. Metal Detector Focus 1 : 2 : 2 High-speed throughput for "cattle class" queues. Body Scanner Focus 2 : 1 : 3 Compensates for the body scanner's slower speed. Strategic Layout & Zoning Tips Walkthrough/tutorial creating separated security zones
Avoid long, narrow corridors for security. A wide layout allows for more parallel lanes, which prevents "wasp-waist" bottlenecks. simairport security layout verified
Always keep a Toolbox in your maintenance area. If a bag scanner breaks and you have no tools, your entire security zone will stop functioning, leading to massive financial losses. Body Scanner Focus 2 : 1 : 3
2:1:2 (2 ID Check Stands to 1 Bag Scanner to 2 Metal Detectors). Always keep a Toolbox in your maintenance area
: Use walls and secure doors to ensure there is no path to the gates that bypasses the security zone. One-Way Flow