What's the name of the yellow plastic baffle on the road outside?

Water horse fence. Very strong, made of plastic PE, with strong plasticity after being filled with water, which can absorb strong impulse and reasonably reduce the harm to cars, strangers and workers in the fence. Unique color tone, different colors can be selected according to road regulations, and the driving route can be clearly marked, and the overall bearing capacity is stronger. The yellow plastic baffle on the road outside is called water horse fence. Convenient transportation, no need to use cranes like cement piers, saving transportation fingers and profits, high mobility, and suitable for all road applications. Not all road engineering construction can only be installed, but can be stacked to reduce the accumulation on the ground.