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Report for Turn Restriction Relations

This report checks turn restriction relations, i.e. relations with type=restriction.

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Unknown Restriction Values

These relations have restriction or restriction:conditional tags with unknown/unsupported values. Known values are: none, no_right_turn, no_left_turn, no_u_turn, no_straight_on, only_right_turn, only_left_turn, only_u_turn, only_straight_on, no_entry, no_exit. Known conditionals are simple date/time ranges. In general, if these are complicated conditional cases, then they are probably just not parsed correctly and need manual confirmation.

Deprecated Tags

These relations have known tags, but are considered deprecated for turn restrictions. For time window day_on, day_off, hour_on, hour_off tags, recommended use is restriction:conditional instead.

Unknown Tags

These relations have tags that are not known/expected keys. These are not necessarily errors, just not recognized. These may however be mistakes, typos or invalid tags, so they need manual checking.

Inconsistent Restriction Values

These relations have internally inconsistent values.

Unknown Exception Modes

These relations have except tags with value(s) for unknown vehicle types / transport modes. Known vehicle types / transport modes: psv, bicycle, hgv, motorcar, motorcycle, bus, caravan, agricultural, tractor, emergency, hazmat, taxi, moped.

"Flipped" Conditionals

These relations have a main restriction=* together with uncommon restriction:conditional=none @ …. Usually it's expected these to be in reverse to match the traffic signage usage (e.g. "no left turns during these hours"). These are however not logically incorrect, just more convoluted as tagging for the renderer, prioritizing the common hour restriction over the off-hour allowance to aid routers that only read the main restriction.

Member Connectivity

These relations have problems with their members and connectivity.

Inter-conflicting Restrictions

These locations have inter-conflicting relations, i.e. relations that have restriction that conflict each other or form illogical restrictions.

Source data

Provided as is; mistakes possible.