samples/annotations/cam_7.yml

roads:
  road_1:
    src_polygon:
      coordinates:
        [
          [591.418439716312, 141.84397163120568],
          [704.1843971631206, 143.26241134751774],
          [1202.654867256637, 719.0],
          [150.44247787610618, 719.0],
        ]
    tgt_polygon:
      coordinates: [[0, 0], [1, 0], [1, 39], [0, 39]]
    traffic_light:
      coordinates: []
    stop_area:
      coordinates: []
    lane_1:
      coordinates:
        [
          [664.6017699115043, 142.30088495575228],
          [703.5398230088495, 143.18584070796464],
          [1202.8717962575151, 719.0],
          [861.0619469026548, 719.0],
        ]
      direction:
        [
          [684.5255474452555, 142.33576642335765],
          [1031.240875912409, 718.978102189781],
        ]
      speed_limit: 50
    lane_2:
      coordinates:
        [
          [624.7787610619469, 142.30088495575228],
          [663.716814159292, 142.30088495575228],
          [860.6600035235604, 719.0],
          [501.7699115044247, 719.0],
        ]
      direction:
        [
          [675.7664233576642, 718.2481751824816],
          [644.3795620437955, 142.33576642335765],
        ]
      speed_limit: 50

    lane_3:
      coordinates:
        [
          [590.7692307692307, 141.53846153846155],
          [624.6153846153846, 141.53846153846155],
          [500.7692307692308, 718.4615384615385],
          [150.76923076923077, 718.4615384615385],
        ]
      direction:
        [
          [607.1532846715328, 141.6058394160584],
          [314.45255474452557, 718.978102189781],
        ]
      speed_limit: 50