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SAE J2909

Light Vehicle Dry & Wet Stopping Distance Test Procedure

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Organization: SAE
Publication Date: 1 June 2018
Status: active
Page Count: 23
scope:

This document establishes best practices to measure vehicle stopping distance on dry or wet asphalt in a straight path of travel intended for the purpose of publishing stopping distance by manufacturers and media organizations for vehicles with original equipment tires. It is recommended that the test method within be adopted for all vehicles less than 4536 kg (10000 pounds) GVWR. This procedure is typically used with initial speeds of 100 km/h and 60 mph, but other speeds may be used. Since tires play a significant role in stopping distance, this procedure covers tire types typically used as original equipment on new vehicles including all-season, summer, and all-terrain tires. This document may serve as a procedural guideline for all tire types, but the surface temperature correction formulas in this procedure were developed using all-season tires and may not be applicable to other tire types.

Purpose

This vehicle stopping distance procedure outlines methodology to provide consistent results within a test facility or test site, using best known practices including standards for test equipment, vehicle and tire guideline preparation, and dry asphalt surface friction compensation.

Document History

SAE J2909
June 1, 2018
Light Vehicle Dry & Wet Stopping Distance Test Procedure
This document establishes best practices to measure vehicle stopping distance on dry or wet asphalt in a straight path of travel intended for the purpose of publishing stopping distance by...
May 1, 2010
Light Vehicle Dry Stopping Distance
This document establishes best practices to measure vehicle stopping distance on dry asphalt in a straight path of travel intended for the purpose of publishing stopping distance by manufacturers and...

References

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