Road and Highway GIS Training Course

Participants can create a clean road centreline dataset and structured route network.

• Road centreline feature classes built from survey, design and imagery sources
• Topology rules preventing gaps, overlaps, dangles and duplicate road segments
• Digitising standards for junctions, ramps, service roads and roundabouts
• Route identifiers structured by road class, jurisdiction and direction
• Segmenting long roads at intersections, administrative boundaries and changes
• Geometry validation using snapping tolerances and visual quality review

Participants can locate and manage road events using route measures and chainage.

• Linear referencing concepts: routes, measures, calibration points and events
• Chainage measures created from surveyed kilometre posts and alignment records
• Dynamic segmentation for pavement sections, defects and maintenance activities
• Point events located for signs, crashes, culverts and inspection observations
• Route calibration methods resolving chainage discrepancies after realignment
• Measure-direction rules for divided carriageways and dual-route sections

Participants can design structured GIS data models for major highway asset classes.

• Asset hierarchy linking network, route, section, component and subcomponent
• Feature classes designed for pavements, bridges, culverts and drainage
• Domains and subtypes controlling asset classifications and inspection values
• Unique asset identifiers aligned with maintenance-management system records
• Relationship classes linking assets, inspections, defects and work orders
• Schema documentation defining fields, units, codes and mandatory attributes

Participants can prepare controlled field workflows for road asset and condition surveys.

• Field survey specifications defining accuracy, attributes, photographs and evidence
• Mobile GIS forms configured with domains, defaults and required fields
• Global Navigation Satellite System accuracy recorded for each observation
• Photo naming conventions linking images to asset and inspection identifiers
• Offline map areas prepared for remote highway survey locations
• Field validation rules preventing incomplete, inconsistent and duplicate records

Participants can use imagery and elevation data to update road features and assess corridors.

• Orthophoto interpretation for carriageway edges, shoulders, drains and structures
• Satellite imagery selection using spatial, spectral and temporal resolution
• Digital elevation models used for slope, drainage and visibility assessment
• Image georeferencing using ground control points and residual error checks
• Change detection comparing construction-stage imagery with baseline road mapping
• Unmanned aerial vehicle imagery limitations, permissions and quality controls

Participants can integrate pavement condition records with route-referenced GIS data.

• Pavement condition indicators including IRI, rutting, cracking and skid resistance
• Condition survey tables joined to route sections using stable identifiers
• Class-break methods applied to condition ratings and treatment thresholds
• Thematic maps distinguishing routine, periodic and rehabilitation maintenance needs
• Time-series condition records structured for deterioration trend analysis
• Inspection-date controls identifying stale condition observations and missing coverage

Participants can map and analyse drainage, structure and roadside asset information.

• Culvert inventories recording dimensions, material, condition and flow direction
• Drainage networks traced from inlets through channels and outfalls
• Bridge asset layers linked to inspection, restriction and clearance records
• Guardrails, signs, lighting and barriers captured with standard classifications
• Asset condition symbology communicating urgency without obscuring road geometry
• Spatial queries identifying uninspected assets within priority maintenance sections

Participants can identify crash patterns and map road-safety risk locations.

• Crash records geocoded using coordinates, intersections and chainage references
• Kernel density estimation identifying crash concentration areas along corridors
• Severity-weighted crash indices calculated for route and segment comparisons
• Spatial joins connecting crashes with speed, geometry and roadside assets
• Black spot screening using exposure, crash frequency and severity criteria
• Before-and-after analysis principles for safety treatment evaluation

Participants can perform network-based analysis for accessibility and road service planning.

• Network datasets constructed from connected road centreline and impedance attributes
• Travel-time impedance calculated from speed, surface and seasonal restrictions
• Origin-destination matrices measuring access to markets, schools and hospitals
• Service areas delineated for maintenance depots, emergency response and logistics
• Traffic count locations mapped with annual average daily traffic attributes
• Restriction modelling for bridges, weight limits, closures and work zones

Participants can prepare spatial evidence for corridor studies and right-of-way management.

• Alignment alternatives compared using terrain, settlement and environmental constraints
• Buffer analysis identifying properties affected by proposed road corridors
• Right-of-way polygons linked to parcel, acquisition and compensation records
• Crossing inventories mapping utilities, railways, waterways and pedestrian routes
• Constraint maps combining protected areas, flood zones and sensitive receptors
• Corridor map books prepared with chainage, ownership and design references

Participants can create transparent spatial priorities for road maintenance interventions.

• Multi-criteria decision analysis combining condition, traffic, risk and accessibility
• Weighted overlay methods documenting criteria, scores and weighting assumptions
• Treatment candidates ranked by pavement condition and network importance
• Maintenance sections dissolved from adjacent segments sharing priority classes
• Budget scenarios compared using mapped intervention costs and service outcomes
• Priority maps reviewed against engineering judgement and field intelligence

Participants can manage construction and maintenance project information within a road GIS.

• Project footprints mapped with contract limits, chainage and work packages
• Work-zone layers recording closures, diversions, dates and traffic impacts
• Construction progress tracked through dated imagery, inspections and milestones
• Utility conflict records spatially linked to proposed works and crossings
• Temporary traffic-management plans referenced to route sections and junctions
• Project dashboards specified for progress, risks, quantities and location status

Participants can evaluate and document the quality of road GIS data before use.

• Positional accuracy assessed against survey control and authoritative basemaps
• Completeness checks comparing expected asset populations with captured records
• Logical consistency tests applied to topology, domains and relationships
• Attribute accuracy sampled against inspection forms, drawings and photographs
• Data-quality reports documenting errors, thresholds, corrective actions and residual risks
• Acceptance criteria defined for contractor-delivered road GIS datasets

Participants can establish governance documentation for maintained road GIS datasets.

• ISO 19115 metadata elements recorded for road spatial datasets
• Data dictionaries maintained for route codes, asset classes and condition ratings
• Custodianship matrices assigning creation, review, approval and publication responsibilities
• Version-control procedures managing edits, corrections and historical asset records
• Data-sharing agreements defining access levels, restrictions and release conditions
• Governance indicators tracking completeness, update timeliness and data-quality exceptions

Participants can produce readable, decision-focused maps for highway operations and reporting.

• Scale selection matched to network maps, corridor plans and asset sheets
• Road symbology designed for hierarchy, direction, surface and operational status
• Label placement rules protecting legibility at junctions and dense settlements
• Map layouts incorporating coordinate grids, chainage, legends and source notes
• Atlas workflows generating route-section map books from indexed features
• Accessibility checks for colour palettes, text sizes and print reproduction

Participants can plan web-based publication of controlled road GIS information products.

• Web map layers configured for roads, assets, projects and inspection status
• Scale-dependent visibility reducing clutter across national and local network views
• Pop-ups designed with essential asset attributes, photographs and work history
• Role-based access models separating public, contractor and internal information
• Operational dashboards specified for defects, closures, inspections and programme progress
• Web publishing review covering performance, update ownership and information security

Participants can plan integration between road GIS, asset systems and engineering records.

• Relational database principles applied to road assets and inspection histories
• PostGIS tables structured for spatial indexing, constraints and controlled updates
• Asset-management interfaces mapped between GIS, work orders and condition systems
• ETL workflows documented for survey files, spreadsheets and contractor submissions
• Application programming interface requirements defined for route and asset lookups
• Reconciliation procedures resolving identifier conflicts between connected systems

Participants can prepare a phased implementation plan for a road GIS service.

• Business requirements translated into datasets, workflows, roles and map products
• Data-gap assessment prioritising missing road geometry, assets and condition records
• Implementation phases sequenced from pilot corridor through network-scale deployment
• Resource plans covering staff, hardware, licences, field devices and support
• Risk registers addressing data quality, adoption, procurement and system dependencies
• Performance measures defined for data coverage, update cycles and user uptake

Participants can build, review and present a complete road GIS package for a defined highway programme.

• Road network geodatabase assembled from centreline, route and asset datasets
• Linear-referenced condition, safety and maintenance events loaded and validated
• Priority analysis produced using documented criteria, weights and intervention rules
• Operational map products prepared for managers, engineers and field teams
• Metadata, quality findings and governance responsibilities documented for handover
• Implementation roadmap presented with phased actions, resources and performance measures