Lane Departure Warning Systems: Information for the Human Interface

Standard:
Revised:
  • 2017-01-26
 
  • CURRENT
Publisher:
  • SAE International
Pages:
11
Scope:

The Lane Departure Warning (LDW) system is a crash-avoidance technology which warns drivers if they are drifting (or have drifted) out of their lane or from the roadway. This warning system is designed to reduce the possibility of a run off road crash. This system will not take control of the vehicle; it will only let the driver know that he/she needs to steer back into the lane. An LDW is not a lane-change monitor, which addresses intentional lane changes, or a blind spot monitoring system which warns of other vehicles in adjacent lanes.

This informational report applies to OEM and after-market Lane Departure Warning systems for light-duty vehicles (gross vehicle weight rating of no more than 8500 pounds) on relatively straight roads with a radius of curvature of 500 m or more, and under good weather conditions.

Rationale:

When a vehicle unintentionally leaves the vehicle lane, the crash risk to the occupants of that vehicle and other road users increases. That risk can be reduced by informing the driver of an impending or existing lane departure. That topic is addressed by to ISO 17361:2007 - Intelligent transport systems - Lane departure warning systems - Performance requirements and test procedures (2007). However, that ISO document lacks adequate detail on the research that is applicable to the design of that interface, information needed to promote the design of safe, easy to use, and consistent human interfaces for lane departure warning systems. That research is summarized in this information report.

History:
Standard Published Revision Status
J2808_201701 2017-01-26 Latest Revised
2007-08-16 Historical Issued
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