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Overhead Obstruction (AL155)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: al155.ttl
- Name
OverheadObstruction- Kind
- FeatureType
- Definition
- An overhead obstruction (for example: an underpass, an overhead pipeline, and/or the overhang of a building) on a transportation route.
- Accepted
- 2013-10-18
- Geometry
- point, curve, surface
- Subtype of
- ZI028 Feature Entity
- Attributes
- BCC Bypass Condition — multiplicity 0..1; datatype OverheadObstruction_bypassConditionMeta; values: BCC_1 Easy, BCC_2 Difficult, BCC_3 Impossible
- DEV Deck Level — multiplicity 0..1; datatype IntegerMeta
- HEI Height of Object — multiplicity 0..1; datatype MeasureIntervalMeta
- OHC Overhead Clearance — multiplicity 0..1; datatype MeasureMeta
- OOC Overhead Obstruction Type — multiplicity 0..1; datatype OverheadObstruction_overheadObstructionTypeMeta; values: OOC_1 Frame Bridge Span, OOC_10 Scaffold, OOC_11 Arcade, OOC_12 Building Overhang, OOC_13 Cable, OOC_14 Cableway, OOC_15 Conveyor, OOC_16 Entrance and/or Exit, OOC_17 Monument, OOC_18 Non-building Structure, OOC_19 Overhead Walkway, OOC_2 Arch Bridge Span, OOC_20 Parking Garage, OOC_21 Pipeline, OOC_22 Pipeline Crossing Point, OOC_23 Route-related Structure, OOC_24 Transportation Block, OOC_25 Transportation Route Protection Structure, OOC_26 Tunnel, OOC_27 Traffic Sign, OOC_3 Roof, OOC_4 Railway Power Line, OOC_6 Bridge Superstructure, OOC_7 Building, OOC_8 Bridge Span, OOC_9 Gantry
- PCF Physical Condition — multiplicity 0..1; datatype OverheadObstruction_physicalConditionMeta; values: PCF_1 Construction, PCF_2 Intact, PCF_3 Unmaintained, PCF_4 Damaged, PCF_5 Dismantled, PCF_6 Destroyed
- RWOI terms naming it
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.