The Institute sends out automated email notifications to interested parties when any of our test protocols is substantially changed. If you'd like to be notified of such changes, subscribe to the IIHS Protocol Updates email list by sending email to protocol-updates@iihs.org with the word "Subscribe" in the subject line. Your email address will be used only for these notifications.

If you have previously subscribed to this list and would like to stop receiving notification emails, you can unsubscribe by sending an email to the same address with the word "Remove" in the subject line.

How IIHS classifies vehicles by size, weight, type and price


Moderate overlap frontal testing

Test protocol

Rating protocols


Small overlap frontal testing

Test protocol

Rating protocol

Barrier design

  • Overview drawing February 2012
  • Solidworks drawing package — February 2012 Solidworks 2012 file (requires Solidworks 2012 or later): includes assembly and individual part files; click on link to open file in browser or right-click to save to disk. This will download as a .zip file.
  • Step model — February 2012 Step AP203 file of entire assembly for import to your 3-D CAD program; click on link to open file in browser or right-click to save to disk. This will download as a .zip file.
  • Parasolid model  — February 2012 Parasolid text file of entire assembly for import to your 3-D CAD program; click on link to open file in browser or right-click to save to disk. This will download as a .zip file.

Side testing

Test protocol

Rating protocol

Miscellaneous


Rear impact and head restraint testing


Roof strength testing


Front crash prevention testing


Bumper testing


Dummy positioning

Moderate overlap frontal testing

Test protocol

Rating protocol


Small overlap frontal testing

Test protocol

Rating protocol


Side testing

Test protocol

Rating protocol


Roof strength testing


Bumper testing

Test protocol

Summary of IIHS low-speed crash test program


Dummy positioning

Test protocol

Rating protocols