Reinforced concrete side ditch for road, which can protect small animals

The utility model provides a reinforced concrete side ditch for a road, which can protect small animals. Method of the utility model, the escape device comprises a small animal escape passage and a stepped escape ladder stand which are arranged on the outer side of a road side ditch, wherein the small animal escape channel is formed in the bottom of the side wall of the road side ditch and penetrates through the side wall of the road side ditch, the other through surface is a space where the stepped escape crawling ladder is located, the bottommost section of the stepped escape crawling ladderis flush with the bottom surface of the small animal escape channel, the topmost section of the stepped escape crawling ladder is flush with the ground, and the gradient of the crawling ladder is 1:1.5-1: 1.75. Due to the fact that the small animal escape way is arranged on the outer side of the road side ditch, accidental death of small animals entering the side ditch by mistake can be avoided,the small animals are prot