The default value fields in the schema is needed even if the field is required. This is used by the default frontend as a last-resort fallback if no preset is chosen.
Refer to the front end repository for presets.
Multiplied. The weight to be applied when computing road cost.
Multiplied. If the node to be visited contains a traffic signal, this punishment will be applied.
Divided. If the next road used holds a higher level in the highway hierarchy, this bonus is divided from the weight
Multiplied. Inverse of road_upgrade_bonus. If the next road used holds a lower level in the highway hierarchy, this punishment is multiplied to the weight.