Evaluation and Comparison of Roadside Crash Injury Metrics
The crash performance of roadside safety hardware, such as guardrails, is typically evaluated using full-scale crash tests with vehicles striking the device in representative worst-case impact scenarios. Each test is evaluated based on vehicle response, device response, and potential for injury to vehicle occupants. Read the full report here.
 An official website of the United States government.
                    An official website of the United States government.