barrierObject
Barriers describe a line within the topology that has limited ability to be crossed — a bridge across a river is a typical example.
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keystring - Identifier used for diagnostics and maintenance.
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atlocation - The location at which the barrier can be crossed (e.g. a bridge or tunnel).
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lineline - The contiguous barrier line within the topology.
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penaltydistance - Additional penalty distance added when a route uses the crossing.