Methodology · version 1.0.0PAIR indicator dictionary
Public sources establish context. Readiness requires use-specific evidence and human judgment. The eight automated indicators do not assign maturity scores.
Mapped street length
automated · context
Physical Infrastructure
Length of mapped drivable street centerlines clipped to the assessment polygon.
- Source
- OpenStreetMap via OSMnx 2.1.0; https://www.openstreetmap.org/copyright
- Units
- km
- Geography
- Confirmed county polygon, ACS 2024 TIGER boundary
- Update frequency
- OSM continuously edited; fetch on demand and retain timestamp
- Calculation
- Simplify drive graph; convert to undirected multigraph to remove reciprocal edges; project EPSG:5070; clip each geometry; sum lengths / 1000.
- Limitations
- Divided carriageways remain separate. Excludes non-drivable paths and private roads omitted by drive filter. Does not measure condition or completeness. The public quick adapter uses clipped source-way geodesic lengths and an explicit motor-road filter rather than the OSMnx projected graph. Compare like adapters only.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Mapped intersection density
automated · context
Physical Infrastructure · Mobility & System Integration
Consolidated mapped street intersections per square kilometer of Census land area.
- Source
- OpenStreetMap via OSMnx 2.1.0; https://www.openstreetmap.org/copyright
- Units
- intersections / land km²
- Geography
- Confirmed county polygon; land area from same TIGER vintage
- Update frequency
- On demand; compare only consistent snapshots/settings
- Calculation
- Project graph to EPSG:5070; consolidate intersections with 10 m node buffers, rebuild_graph=False and dead_ends=False; count resulting centroids inside polygon / (AREALAND / 1e6).
- Limitations
- Consolidation is geometric, not an operational intersection audit. Density has no universal readiness direction. Edge effects and land-area denominator affect comparisons. Not computed by the quick web adapter; requires an OSMnx network package.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Mean mapped segment length
automated · context
Physical Infrastructure
Mean length of simplified physical street segments intersecting the study polygon.
- Source
- OpenStreetMap via OSMnx 2.1.0; https://www.openstreetmap.org/copyright
- Units
- m
- Geography
- Confirmed county polygon
- Update frequency
- On demand
- Calculation
- Sum clipped undirected segment lengths / number of positive-length clipped segments.
- Limitations
- Boundary-clipped segments are shorter. Graph simplification and divided roads affect interpretation; not equivalent to block length. Not computed by the quick web adapter; requires an OSMnx network package.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Sidewalk attribute coverage
automated · data-quality
Physical Infrastructure · Curb, Access & Public Realm
Length-weighted availability of sidewalk attributes on eligible mapped drivable streets.
- Source
- OpenStreetMap via OSMnx 2.1.0; https://www.openstreetmap.org/copyright
- Units
- % eligible mapped street length
- Geography
- Confirmed county polygon
- Update frequency
- On demand
- Calculation
- 100 × clipped length carrying a sidewalk, sidewalk:left, sidewalk:right or sidewalk:both tag / clipped eligible length. Exclude motorway and motorway_link. All values including no count as documented.
- Limitations
- Measures documentation only, not sidewalk presence, continuity, accessibility or quality. Mixed tag lists require all components documented; simplified segments with ambiguous coverage are excluded from numerator. In web-context/1.0, documentation is length-weighted on original way segments before simplification; its results are not directly comparable to the conservative baseline aggregation.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Resident population
automated · context
Economic Development & Deployment Viability
Estimated resident population, all ages.
- Source
- US Census ACS 2024 5-year; official API with configured key or explicitly labeled Census Reporter mirror; https://api.censusreporter.org/1.0/data/show/acs2024_5yr
- Units
- people
- Geography
- Native Census county, exact GEOID
- Update frequency
- Annual five-year release; pinned 2020–2024
- Calculation
- Read B01003_001E and matching M; retain 90% margin of error and annotations where available.
- Limitations
- Five-year pooled estimate, not a current-year census. Resident/household context does not establish demand, institutional capability, trust or workplace jobs.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Households
automated · context
Public Trust, Equity & Community Acceptance
Estimated households in the household vehicle-availability universe.
- Source
- US Census ACS 2024 5-year; official API with configured key or explicitly labeled Census Reporter mirror; https://api.censusreporter.org/1.0/data/show/acs2024_5yr
- Units
- households
- Geography
- Native Census county, exact GEOID
- Update frequency
- Annual five-year release; pinned 2020–2024
- Calculation
- Read B08201_001E and matching M; retain 90% margin of error and annotations where available.
- Limitations
- Five-year pooled estimate, not a current-year census. Resident/household context does not establish demand, institutional capability, trust or workplace jobs.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Median household income
automated · context
Economic Development & Deployment Viability · Public Trust, Equity & Community Acceptance
Median household income in the past 12 months, in 2024 inflation-adjusted dollars.
- Source
- US Census ACS 2024 5-year; official API with configured key or explicitly labeled Census Reporter mirror; https://api.censusreporter.org/1.0/data/show/acs2024_5yr
- Units
- 2024 USD
- Geography
- Native Census county, exact GEOID
- Update frequency
- Annual five-year release; pinned 2020–2024
- Calculation
- Read B19013_001E and matching M; retain 90% margin of error and annotations where available.
- Limitations
- Five-year pooled estimate, not a current-year census. Resident/household context does not establish demand, institutional capability, trust or workplace jobs.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Households without a vehicle
automated · context
Mobility & System Integration · Public Trust, Equity & Community Acceptance
Share of households reporting no vehicle available.
- Source
- US Census ACS 2024 5-year; official API with configured key or explicitly labeled Census Reporter mirror; https://api.censusreporter.org/1.0/data/show/acs2024_5yr
- Units
- % households
- Geography
- Native Census county, exact GEOID
- Update frequency
- Annual five-year release; pinned 2020–2024
- Calculation
- 100 × B08201_002E / B08201_001E. MOE = 100 × sqrt(M_num² + ratio² × M_den²) / denominator, a ratio approximation without covariance; retain raw values.
- Limitations
- Not an unmet-demand or trust measure. Approximate MOE ignores numerator-denominator covariance; no MOE when either input unavailable. Zero denominator is unknown.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Deployment authority and accountable owners
human-review · direct-evidence
Governance & Institutional Capacity
Named decision rights, approvals, contracts and escalation owners.
- Source
- Official adopted policies, permits, procurement records and responsible-agency confirmation
- Units
- Documented status and dated evidence
- Geography
- Relevant jurisdictions and responsible organizations
- Update frequency
- At assessment and on policy change
- Calculation
- Reviewer checks authority, scope, operational responsibilities and implementation evidence.
- Limitations
- A policy document does not establish functioning coordination.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Physical asset suitability
human-review · direct-evidence
Physical Infrastructure
Verified condition and accessible use of assets for the proposed deployment.
- Source
- Site inspection, asset register, accessibility audit, maintenance records
- Units
- Documented status; defects and coverage
- Geography
- Actual site or route footprint
- Update frequency
- At assessment and after material site change
- Calculation
- Compare dated inspections against explicit use-case requirements.
- Limitations
- OSM geometry alone cannot establish condition or compliance.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Operational data interoperability
human-review · direct-evidence
Digital & Data Infrastructure
Tested, governed information exchange required for deployment.
- Source
- Interface tests, agreements, security/privacy reviews and monitoring logs
- Units
- Documented status and test results
- Geography
- Organization and deployment systems
- Update frequency
- At assessment and material system change
- Calculation
- Review interface tests and access, security, retention and ownership controls.
- Limitations
- A public API or dataset alone is insufficient.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Curb rules and accessible operations
human-review · direct-evidence
Curb, Access & Public Realm
Verified curb permissions, accessibility and management during operating periods.
- Source
- Official curb rules, CDS records, site audit and enforcement responsibilities
- Units
- Documented status and time windows
- Geography
- Curb segments linked to operating footprint
- Update frequency
- On rule change; at assessment
- Calculation
- Join rules to locations and time; reviewer verifies accessibility, conflicts and ownership.
- Limitations
- Static OSM tags are not authoritative curb regulations.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Confirmed energy and facility capacity
human-review · direct-evidence
Energy, Charging & Depot Capacity
Verified load capacity, access, site control and maintenance for the proposed fleet.
- Source
- Utility study, facility confirmation, site agreements and commissioning records
- Units
- kW where established; documented status
- Geography
- Specific facility and supply connection
- Update frequency
- At assessment and material load/site change
- Calculation
- Compare documented capacity and operating demand; verify access and contingencies.
- Limitations
- Public charger counts do not establish spare capacity or fleet access.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Trained workforce and operational coverage
human-review · direct-evidence
Workforce & Operations
Evidence of trained staff, maintained procedures and defined handoffs.
- Source
- Competency maps, training records, staffing schedules, SOPs and labor review
- Units
- Documented status and staffed roles
- Geography
- Actual operating organization and partners
- Update frequency
- At assessment and staffing/process change
- Calculation
- Review training, shifts, operating responsibilities and transition arrangements.
- Limitations
- Resident or regional employment figures do not establish employer capability.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Exercised incident and continuity response
human-review · direct-evidence
Safety, Emergency Response & Resilience
Deployment-specific response and recovery arrangements tested with relevant actors.
- Source
- Hazard reviews, exercise records, responder training and incident logs
- Units
- Documented status and exercise date
- Geography
- Deployment and response jurisdictions
- Update frequency
- At assessment and after exercises/incidents
- Calculation
- Verify scope, contacts, responder access, exercise results and corrective actions.
- Limitations
- Published general plans are insufficient; this is not safety certification.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Operational mobility integration
human-review · direct-evidence
Mobility & System Integration
Documented and tested coordination with affected mobility services.
- Source
- Partner agreements, accessible transfer audits, service-impact evaluation
- Units
- Documented status and outcome measures
- Geography
- Deployment network and affected services
- Update frequency
- At assessment and service change
- Calculation
- Review coordinated operations, access safeguards, baselines and measures.
- Limitations
- Transit proximity does not establish integration or mode shift.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Representative participation and accountability
human-review · direct-evidence
Public Trust, Equity & Community Acceptance
Evidence that affected groups can shape, access and scrutinize deployment.
- Source
- Engagement records, representative surveys, accessible feedback, grievance tracking
- Units
- Documented status and study coverage
- Geography
- Affected communities; report sampling frame
- Update frequency
- At assessment and repeated engagement
- Calculation
- Review representation, barriers, responses and disaggregated benefits/burdens.
- Limitations
- Do not infer sentiment or acceptance from demographics.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Demand and deployment viability
human-review · direct-evidence
Economic Development & Deployment Viability
Credible demand, funding, lifecycle costs and accountable public-benefit commitments.
- Source
- Customer commitments, budgets, cost models, evaluation plans
- Units
- Documented status; currency and timeframe as supplied
- Geography
- Deployment business case and affected population
- Update frequency
- At assessment and investment decision
- Calculation
- Review assumptions, partner commitments, sensitivity and public-value measures.
- Limitations
- Regional assets or industry concentration alone do not demonstrate viability.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Time-specific demand and capacity
future-adapter · context
Curb, Access & Public Realm
Observed demand relative to available processing capacity during comparable periods.
- Source
- Time-stamped events and measured service capacity; StreetOps concepts
- Units
- events/hour and ratio
- Geography
- Curb/site and matched time window
- Update frequency
- Per observation campaign
- Calculation
- Observed arrivals / measured service capacity with matched units.
- Limitations
- No inference from POI counts; unavailable without suitable operational records.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Scheduled transit availability
future-adapter · context
Mobility & System Integration
Scheduled service near accessible deployment locations.
- Source
- Official agency GTFS
- Units
- departures/hour and network distance
- Geography
- Stop and route operating area
- Update frequency
- Feed publication and service dates
- Calculation
- Respect calendars, exceptions, service-day times, accessibility and parent stops.
- Limitations
- Schedule is not reliability or verified accessible transfer.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Reported charging facilities
future-adapter · context
Energy, Charging & Depot Capacity
Published charging locations and reported equipment attributes.
- Source
- US DOE AFDC station inventory
- Units
- stations and ports
- Geography
- Confirmed geography
- Update frequency
- Provider updates and retrieval date
- Calculation
- Deduplicate stations/ports, distinguish public/private access and status.
- Limitations
- Not spare grid capacity or guaranteed fleet compatibility.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.
Workplace employment context
future-adapter · context
Workforce & Operations
Jobs located in the assessment geography by available industry category.
- Source
- Census LEHD LODES workplace area characteristics
- Units
- jobs
- Geography
- Native blocks aggregated to explicitly matched geography
- Update frequency
- Annual available release
- Calculation
- Use workplace WAC counts with year and coverage; do not substitute resident ACS employment.
- Limitations
- Jobs are not trained staff, vacancies or organizational commitments.
- Human review
- Reviewer must assess use-case relevance and geographic fit. No automatic maturity rating.