et metl connected with posts and beams.
Maintenance and service life of expressway guardrails depend on the type of guardrail system, its location, environmental factors, and levels of traffic. Generally, guardrail systems require periodic inspections and repairs, as needed. Proper maintenance and timely repairs will help ensure that guardrail systems remain safe and in good condition for many years.
Expressway guardrails are used for highway and expressway traffic safety purpose. W beam and thr