Mohali, April 21 -- Even as authorities push ahead with installing road-dividing grilles to improve safety on major stretches in Mohali, the ongoing work itself has emerged as a serious hazard, with open trenches, toppled metal structures and scattered debris raising the risk of accidents and worsening traffic congestion.

While the installation of grilles is intended to prevent head-on collisions, deter illegal pedestrian crossings, and curb wrong-side driving and illegal U-turns, the execution on ground is doing the opposite.

At several locations, including near Ivy Hospital in Sector 71 and Franco Chowk in Phase 2, deep trenches dug along the central verge remain uncovered, with heavy iron grilles lying dislodged or tilted precariousl...