Why don't the bridge's guardrail be a little higher?
It relies mainly on cable tensile stress to resist vehicle collisions and absorb impact energy.
The cable guardrail is the main form of flexible guardrail. It is a kind of structure composed of several cables which fix initial tension to fix Yu Lizhu,
Can see "highway traffic safety facilities design rules" above, generally speaking, the cost of concrete is more expensive, and even better point is the cable guardrail.