road safety work at 25 t-junctions (ch. 1.090, 2.260, 3.475, 4.485, 4.790, 5.140, 7.675, 10.040, 10.050, 11.050, 11.580, 11.960, 12.880, 15.860, 15.860, 16.600, 16.610, 17.540, 18.950, 19.075, 20.100, 20.800, 22.070, 4.440, 12.630, 21.886) falling on