Stoughton Trailers 53' intermodal container chassis are the first and only in the industry to achieve the IIHS TOUGHGUARD certification. This reflects extensive engineering and testing to ensure superior safety and durability on the road. When you choose Stoughton, you're choosing strength and maximum protection. 

The certification applies to Stoughton’s 53-ft intermodal container chassis built after April 2025, further solidifying the company’s leadership in transportation safety and innovation.

For more information read our press release. 

Here is additional information directly from IIHS regarding our underride protection award, IIHS news story.