Bridge head guardrail is also known as bridge end lap plate, is
used in concrete bridge and road junction of a waveform guardrail,
this waveform guardrail end and ordinary high-speed guardrail no
difference, the other end is made of a bevel, can be better with
the bridge contact surface fit. The function of this guardrail is
the same as the bridge end, which facilitates the connection
between waveform guardrail and bridge, makes the road and bridge
road more smooth, and ensures vehicles and pedestrians to rush out
at the junction. This kind of guardrail has the advantage of
convenient installation, simple manufacture, can replace the bridge
end, play a better protective role.