WPI departments of Civil & Environmental Engineering and Mechanical Engineering, consistent with the long tradition of practical research at WPI have developed intellectual property in significant transportation application areas, e.g. automotive (crash energy absorption) and aviation (aerodynamics and control).
Carney , U.S. Pat. No. 6,637,971 , Reusable high molecular weight/high density polyethylene guardrail - Rapid, economical replacement of damaged parts in a reusable vehicular accident guardrail design is accomplished in this invention with the important functional safety achievement of increased vehicle containment on the roadway (vs. vaulting of the guardrail as is common in the typical designs in use) and suppression of vehical flipover.