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highway ontologyHighway Asset › Alignment and Location System

Carriageway

highway.alignment_system.carriageway
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Definition

Traffic-carrying width of the road, excluding shoulders.

Class kind
component
Abstract
no
Depth
2
Origin
reference source
Ontology
engineering-reference-book.highway v0.1.0
Aliases
Roadway, Left Hand Side Carriageway, Right Hand Side Carriageway
Abbreviations
LHS, RHS
Last changed
7/27/2026, 2:50:06 PM

Identification

Positive labels
Carriageway, Roadway, Left Hand Side Carriageway, Right Hand Side Carriageway
Negative labels
Visual features
Min identity clues
2

Evidence

Preferred views
typical_cross_section, cross_section, plan
Evidence types
view, detail, schedule, note, dimension, level, section_callout
Source trace required
yes

Measurements (2)

NameSymbolUnitRequired
WidthWmrequired
Cambercamberpercentoptional

Relationships (2)

BOQ items (0)

None — no quantity is derived from this class directly.

Facets

configuration
single, two_lane, four_lane, six_lane, divided, undivided

Validation

Blocking if missing
no
Human review allowed
yes
  • no_evidence_no_number
  • retain_document_page_bbox_and_evidence_id
  • do_not_mix_drawing_revisions
  • do_not_average_conflicting_values
  • prefer_explicit_labels_over_shape_only
  • match_plan_profile_and_cross_section_when_applicable

Provenance

Basis
taxonomy_spec
Project values included
no
mindmap_module_spec_taxonomy_highway
no page list

Children (0)

None — this is a leaf class and can be deleted.