The test collision conditions for the standard section of the guardrail, the transition section of the guardrail, and the central divider opening guardrail shall comply with Table 5.3 3 regulations.

Table 5.3.3 Test collision conditions for guardrail standard section, guardrail transition section, and central divider opening guardrail

Note： The 55t large freight car in the table is a saddle type train, while other large and medium-sized freight cars are all integral freight cars.