< Column connection: HFS-17 >

< Guardrail connecting piece:HFS-06 >

< Column connection: HFS-17A >

< Guardrail connecting piece:HFS-07 >

< Column connection: HFS-18 >

< Guardrail connecting piece:HFS-07A >

< Column connection: HFS-18A >

< Guardrail connecting piece:HFS-08 >

< Column connection: HFS-19 >