The invention discloses a safe road pile for road construction. The safe road pile comprises a base, a mounting groove is formed in the bottom of the base, and a hanging rod is fixedly connected to the top of the interior of the mounting groove and slidably sleeved with a U-shaped block. The hanging rod is sleeved with a first spring, the two ends of the first spring are fixedly connected with theinner wall of the mounting groove and the U-shaped block correspondingly, a buffering plate is connected to the end, away from the hanging rod, of the U-shaped block, and a cushion block is fixedly connected to the side, away from the U-shaped block, of the buffering plate. The end, away from the buffering plate, of the cushion block penetrates through a groove opening of the mounting groove andextends outwards, two sliding grooves are symmetrically formed in the two ends of the base, and sliding rods are fixedly connected in the sliding grooves and slidably sleeved with sliding blocks. According to the safe road pile for road construction, through arrangement of a plurality of threaded rods and adjusting mechanisms, the adjustability of the road pile is improved, the height can be adjusted according to the actual construction environment, and thus the construction progress is ensured.