
TFL Relevancy Polygon and TFL Type Cross Check
QuizĀ by Christian Urbano
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If there is no relevant Mapillary/GT for one of the entrances or more, the junction should be tagged as gt_use: falseĀ

We tag the junction as gt_use: false if there is warning tfl detected.

A TfL intended for pedestrians at cross walks. What tfl_semantic_type custom field is this?

TfL does not exist in reality, including duplicate clusters. What tfl_semantic_type custom field is this?

We do not tag tfl_spot_shape if the tfl is not for vehicle. (ex. pedestrian, bus, etc.)
What tfl_semantic_type is this?

A TfL for regular vehicle traffic at railway crossings. Flashes red when a train is approaching. What tfl_semantic_type is this?

What is the tfl_n_spots for this tfl?

If there is no detected tfl in the map but there is tfl in the specific location in GT/mapillary, the junction should be tagged as gt_use true.

The relevant fields for TFL type custom field are tfl_semantic_type, tfl_spot_shapes, tfl_n_spots.