According to the railway design map, there are two types of railway protection fences, namely the railway protection fence line 8001 and the railway protection fence line 8002. The types of railway barriers are distinguished according to the two styles. The through wire 8001 has a curvature of 30° at the top, and the through wire 8002 has no curvature in a straight piece. Today we focus on the railway protection fence line 8001.

1. Protective fence type
(1) 1.8m height reinforced concrete protective fence plus 0.5m barbed roller cage
(2) 2.2m height reinforced concrete protective fence plus 0.5m barbed roller cage
(3) 2.7m height reinforced concrete protective fence metal mesh (with chamfered) outer side attached with barbed wire cage
(4) 1.8m height reinforced concrete fence
(5) 1.8m height reinforced concrete column metal mesh protective fence
Second, the conditions of use
(1) New railway
    For railways with a design speed of 200 km/h or more, a 2.2 m high reinforced concrete protective fence and a 0.5 m barbed rolling cage are used; a railway with a speed of less than 200 km is designed, and a 1.8 m high reinforced concrete protective fence is generally used.
(2) Railway construction under construction
    For railways with a design speed of 200 km and above, the metal fence is installed, and the outer side is equipped with a barbed roller cage; the section where the metal barrier of the railway barrier is not installed is set according to the standard of the new railway project, and the protective fence should be set within the boundary of the land. 0.5m.