Circuit wire protection device used in road

The utility model discloses a circuit wire protection device used in a road, which comprises a longitudinal protection shell, a transverse protection shell and a connection protection sleeve, one side of the longitudinal protection shell is provided with a plurality of open holes at intervals, the open holes are used for allowing wires to penetrate out and connecting the transverse protection shell, the connection protection sleeve comprises a conductive tube and at least two wiring terminals arranged on the conductive tube, and the connection protection sleeve is used for being fixed at the outer end of the transverse protection shell. The electric wire can be effectively protected, it is ensured that the electric wire is intact after construction and safe in power-on use, the electric wire is connected and conducted through the wiring terminal on the conductive tube, it is ensured that the electric wire is firmly connected and is not disconnected, it can be ensured that circuit connection is always kept clo