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Static Load Classifications based on Modified AASHTO M306
	Load Class	Load Class	Load Class	Load Class	Load Class	Load Class	Load Class
	A	B	C	D	E	F	G
Application	Light Duty Pedestrian Traffic	Medium Duty Sidewalks & Residential Parking	Heavy Duty Commercial	Extra Heavy Duty Roads and Highway	Extreme Heavy Duty Hard Tire Forklifts, Heavy Vehicles	Airport Rated Municipal and Regional Airports	Airport Rated International and Military Airports or Intermodal Ports Facilities
Application Proof load (psi)	75psi	150psi	310psi	494psi	620psi	1235psi	2469 psi
Typical Applicable Standards	Foot traffic	Light Pneumatic Tire Traffic	A-A60005 Federal Specification	AASHTO M306 H-20	AASHTO M306 HS-25	Airport (100,000 lbs)	Airport (200,000lbs)

Static Load Classifications