This paper presents the status of the program for side impact research of the National Highway Traffic Safety Administration. The program consists of four projects: S1 Side Protection—Thoracic Injury, S2 Side Protection—General, S3 Ejection and Roof Protection, and S4 Roof Rail and Pillar Protection. The NHTSA plans to complete the S1 project by mid-year 1983, while the remaining projects shall emphasize problem determination.