{
  "agency": {
    "id": "altamont-corridor-express",
    "name": "Altamont Corridor Express",
    "subdivision_code": "US-CA",
    "subdivision_name": "California"
  },
  "categories": {
    "completeness": {
      "details": {
        "accessibility": {
          "measures": "presence_not_usability",
          "score": 100.0,
          "stops_marked_accessible_pct": 100.0,
          "stops_marked_not_accessible_pct": 0.0,
          "stops_stated_pct": 100.0,
          "trips_stated_pct": 100.0
        },
        "accessibility_measures": "presence_not_usability",
        "cemv": {
          "declared": false,
          "supported": false
        },
        "components": {
          "contact": 7.5,
          "fares": 15.0,
          "headsigns": 15.0,
          "stop_names": 15.0,
          "wheelchair_stops": 25.0,
          "wheelchair_trips": 15.0
        },
        "fare_free": false,
        "fares": {
          "applied": true,
          "has_leg_rules": false,
          "has_products": false,
          "has_transfer_rules": false,
          "model": "legacy",
          "product_count": 0
        },
        "flex": {
          "booking_reachable": false,
          "booking_rule_count": 0,
          "has_booking_rules": false,
          "has_flex": false
        },
        "has_fares": true,
        "headsign_applicable_trips": 8,
        "headsign_loop_exempt_trips": 0,
        "headsign_pct": 100.0,
        "headsign_scored_pct": 100.0,
        "mixed_case_stop_name_pct": 100.0,
        "pathways": {
          "has_entrances": false,
          "has_levels": false,
          "has_pathways": false,
          "has_stations": false,
          "has_step_free": false,
          "pathway_count": 0
        },
        "stops": 28,
        "translations": {
          "feed_lang": "en",
          "has_translations": false,
          "languages": [],
          "translated_tables": [],
          "translation_count": 0
        },
        "trips": 8,
        "wheelchair_accessible_pct": 100.0,
        "wheelchair_boarding_pct": 100.0,
        "wheelchair_marked_accessible_pct": 100.0,
        "wheelchair_marked_not_accessible_pct": 0.0
      },
      "findings": [
        {
          "code": "scorecard_no_feed_contact",
          "count": 1,
          "effort": "One field.",
          "fix": "Add feed_contact_email to feed_info.txt.",
          "owner": "",
          "points": 7.5,
          "severity": "INFO",
          "what": "feed_info.txt has no technical contact (feed_contact_email or feed_contact_url).",
          "why": "Trip-planning apps and regional data coordinators have nobody to email when they spot a problem with your feed, so problems linger."
        }
      ],
      "name": "completeness",
      "score": 92.5,
      "status": "measured",
      "summary": "100% of stops state wheelchair accessibility (100% marked accessible, 0% marked not accessible). This measures what the feed publishes, not whether a stop is physically usable. Fare data is published.",
      "weight": 0.25
    },
    "correctness": {
      "details": {
        "distinct_codes": 11,
        "instances_by_severity": {
          "ERROR": 3,
          "INFO": 5,
          "WARNING": 203
        },
        "validator_version": "8.0.1"
      },
      "findings": [
        {
          "code": "missing_required_column",
          "count": 2,
          "effort": "Often an export setting; ask your vendor if it recurs.",
          "fix": "Add the required column named in the finding to the flagged file.",
          "owner": "Likely your export tool",
          "points": 12.0,
          "severity": "ERROR",
          "what": "A file is missing a column that GTFS requires.",
          "why": "Apps may reject the whole file, so riders could lose the affected routes or stops."
        },
        {
          "code": "equal_shape_distance_diff_coordinates",
          "count": 1,
          "effort": "Varies.",
          "fix": "Review the rule documentation for 'equal_shape_distance_diff_coordinates' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.",
          "owner": "",
          "points": 12.0,
          "severity": "ERROR",
          "what": "Equal shape distance diff coordinates (flagged by the MobilityData validator).",
          "why": "See the linked rule for what this affects."
        },
        {
          "code": "missing_recommended_field",
          "count": 180,
          "effort": "A field at a time; not urgent.",
          "fix": "Review the flagged fields and fill in the ones your riders would use.",
          "owner": "",
          "points": 8.0,
          "severity": "WARNING",
          "what": "Some files leave out fields that GTFS asks for but does not require.",
          "why": "Recommended fields like agency_phone or stop descriptions make the feed more useful to riders and trip planners."
        },
        {
          "code": "stop_without_stop_time",
          "count": 18,
          "effort": "A review pass in your scheduling software.",
          "fix": "Remove retired stops from the export, or add them back to the trips that should serve them.",
          "owner": "Likely your export tool",
          "points": 6.0,
          "severity": "WARNING",
          "what": "Some stops exist in the feed but no trip ever stops at them.",
          "why": "Riders may walk to a stop where no transit vehicle is scheduled to arrive."
        },
        {
          "code": "equal_shape_distance_same_coordinates",
          "count": 1,
          "effort": "Usually one export setting.",
          "fix": "Turn on shape cleanup in your export tool, or drop the repeated points from shapes.txt.",
          "owner": "Likely your export tool",
          "points": 4.0,
          "severity": "WARNING",
          "what": "Some route lines list the same point twice in a row.",
          "why": "Repeated points don't hurt riders, but they can skew distance math and hint at a shaky export."
        },
        {
          "code": "expired_calendar",
          "count": 1,
          "effort": "One setting in most export tools.",
          "fix": "Remove past service periods the next time you export the feed.",
          "owner": "Likely your export tool",
          "points": 4.0,
          "severity": "WARNING",
          "what": "Some service calendars in the feed have already ended.",
          "why": "Expired calendars are dead weight and can hide real schedule problems from your staff and vendors."
        },
        {
          "code": "feed_expiration_date7_days",
          "count": 1,
          "effort": "Usually a re-export from your scheduling software.",
          "fix": "Export and publish an updated GTFS feed that covers at least the next 30 days of service.",
          "owner": "Likely your export tool",
          "points": 4.0,
          "severity": "WARNING",
          "what": "This feed's service calendar runs out within the next 7 days.",
          "why": "When the calendar ends, Google Maps and other trip planners drop your agency entirely. Riders see no service at all."
        },
        {
          "code": "missing_feed_contact_email_and_url",
          "count": 1,
          "effort": "One field, set once in export settings.",
          "fix": "Add feed_contact_email or feed_contact_url to feed_info.txt.",
          "owner": "Likely your export tool",
          "points": 4.0,
          "severity": "WARNING",
          "what": "feed_info.txt lists no contact email and no contact URL.",
          "why": "Without a contact, apps like Google Maps can't reach you when they find a problem in the feed."
        },
        {
          "code": "trip_coverage_not_active_for_next7_days",
          "count": 1,
          "effort": "One setting in most export tools.",
          "fix": "Trim past service periods the next time you export.",
          "owner": "Likely your export tool",
          "points": 4.0,
          "severity": "WARNING",
          "what": "Many of the feed's trips don't run at all in the next 7 days.",
          "why": "It usually means old service periods are still in the export, making the feed bigger and harder to check."
        },
        {
          "code": "unknown_file",
          "count": 4,
          "effort": "A quick look at the flagged file.",
          "fix": "Check the flagged file name for a typo of a standard GTFS file. Remove it if it is a vendor extra.",
          "owner": "",
          "points": 0.5,
          "severity": "INFO",
          "what": "The feed includes a file that is not part of the GTFS spec.",
          "why": "Apps ignore files they don't know, and a stray file can hide a misspelled standard file name."
        },
        {
          "code": "unknown_column",
          "count": 1,
          "effort": "A quick look at the flagged files.",
          "fix": "Check the flagged column names for misspellings of standard GTFS fields; remove them if they are vendor extras.",
          "owner": "",
          "points": 0.5,
          "severity": "INFO",
          "what": "Some files contain columns that are not part of the GTFS spec.",
          "why": "Harmless to riders, but apps ignore these columns and they can hide typos in real column names."
        }
      ],
      "name": "correctness",
      "score": 41.0,
      "status": "measured",
      "summary": "The MobilityData validator flagged 11 kinds of issue across 211 instances (3 error, 203 warning, 5 informational).",
      "weight": 0.35
    },
    "freshness": {
      "details": {
        "days_until_expiry": -578,
        "effective_expiry_date": "2024-12-31",
        "feed_end_date": "2024-12-31",
        "feed_start_date": "2019-09-30",
        "feed_version": "20231226",
        "has_feed_info": true,
        "last_service_date": "2024-12-31",
        "seasonal_boundary": false,
        "service_horizon_review_years": 10,
        "service_horizon_status": "within_review_threshold",
        "service_type": "fixed"
      },
      "findings": [
        {
          "code": "scorecard_feed_expired",
          "count": 1,
          "effort": "Usually one export setting; export on a schedule so it never lapses again.",
          "fix": "Re-export the feed with a calendar that reaches further out, and set feed_info feed_end_date past your next service change.",
          "owner": "Likely your export tool",
          "points": 100.0,
          "severity": "ERROR",
          "what": "Service data ended 578 day(s) ago.",
          "why": "When the calendar runs out, trip planners stop showing this agency even though the transit vehicles are still running. Riders are told the service does not exist."
        }
      ],
      "name": "freshness",
      "score": 0.0,
      "status": "measured",
      "summary": "Service data ended 578 day(s) ago. Trip planners have likely already dropped this feed.",
      "weight": 0.2
    },
    "realtime": {
      "name": "realtime",
      "status": "not_yet_measured",
      "summary": "Not scored yet. Nothing here counts against the grade.",
      "weight": 0.2
    }
  },
  "confidence": {
    "feed_age_days": 0,
    "fetch_source": "mirror",
    "level": "provisional",
    "measured_categories": 3,
    "notes": [
      "Realtime quality was not measured this run. It does not count against the grade.",
      "The agency's own feed URL was unreachable, so the Mobility Database's hosted mirror copy was scored instead."
    ],
    "rt_windows": 0,
    "total_categories": 4
  },
  "conformance": {
    "awarded": false,
    "criteria": [
      {
        "detail": "2 validator errors to resolve.",
        "key": "valid",
        "met": false
      },
      {
        "detail": "Service data expired 578 days ago.",
        "key": "current",
        "met": false
      },
      {
        "detail": "States wheelchair access on 100% of stops and 100% of trips.",
        "key": "accessible",
        "met": true
      }
    ],
    "status": "not_yet",
    "summary": "This feed is close to the conformance mark. 2 validator errors to resolve. Service data expired 578 days ago."
  },
  "feed": {
    "license_note": "No stated data license in the Mobility Database; verify before publishing.",
    "reachable": true,
    "sha256": "915ef5cab6d3f8971550a99263520e17257e832140d38c79cda3a71faf12b22b",
    "size_bytes": 20245,
    "static_url": "https://transitfeeds.com/p/altamont-corridor-express/823/latest/download"
  },
  "fetch": {
    "final_url": "https://storage.googleapis.com/storage/v1/b/mdb-latest/o/us-california-altamont-corridor-express-gtfs-1133.zip?alt=media",
    "max_attempts": 1,
    "origin_error": "HTTPError",
    "reader_archive_profile": "raw-v1",
    "source": "mirror",
    "user_agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36"
  },
  "generated_at": "2026-08-01T00:00:00+00:00",
  "geo": {
    "bbox": [
      -122.35305,
      34.0562,
      -118.2365,
      38.58416
    ],
    "lat": 37.66372,
    "lon": -121.35916,
    "stop_count": 28
  },
  "mode_profile": {
    "ferry_only": false,
    "graded": false,
    "has_ferry": false,
    "is_multimodal": false,
    "measured": true,
    "modes": [
      {
        "key": "rail",
        "label": "Rail",
        "route_count": 1,
        "trip_count": 8,
        "trip_share_pct": 100.0
      }
    ],
    "primary_mode": "rail",
    "primary_mode_label": "Rail",
    "route_count": 1,
    "trip_count": 8
  },
  "ntd_id_alignment": {
    "detail": "Your feed's agency_id is CE; your National Transit Database ID is 90182. A feed that serves several agencies (a shared regional feed) can legitimately carry more than one agency_id. The values do not need to equal the five-digit NTD ID, so this difference is allowed and carries no score.",
    "feed_agency_ids": [
      "CE"
    ],
    "fix": "Confirm that P-50 crosswalks agency_id CE to NTD ID 90182, and keep the feed value stable. Do not change it solely to make the two values equal.",
    "ntd_id": "90182",
    "status": "mismatch"
  },
  "ntd_readiness": {
    "pillars": [
      {
        "detail": "Published at a public URL.",
        "key": "published",
        "status": "ready"
      },
      {
        "detail": "2 validator errors to resolve.",
        "key": "valid",
        "status": "at_risk"
      },
      {
        "detail": "Service data expired 578 days ago, so FTA would find the link out of date.",
        "key": "current",
        "status": "not_ready"
      },
      {
        "detail": "agency.txt provides agency_id. For RY2026, keep one stable value for each NTD reporter represented in the feed and crosswalk each value on the P-50 form.",
        "key": "agency_id",
        "status": "ready"
      }
    ],
    "status": "not_ready",
    "summary": "Resolve this before you certify on the D-10. 2 validator errors to resolve. Service data expired 578 days ago, so FTA would find the link out of date."
  },
  "overall": {
    "grade": "F",
    "margin_to_lower_band": 46.8,
    "margin_to_next_band": 13.2,
    "score": 46.8
  },
  "recommendations": [],
  "routability": {
    "boardable_stops": 28,
    "findings": [
      {
        "code": "scorecard_orphan_stops",
        "count": 18,
        "effort": "A cleanup pass in your scheduling software.",
        "fix": "Remove stops no route serves, or add the trips that should call at them.",
        "owner": "Likely your export tool",
        "points": 0.0,
        "severity": "INFO",
        "what": "18 of 28 boardable stops are never served by any trip.",
        "why": "Riders see these stops in apps and on the map but can never catch anything there, which erodes trust in the data."
      }
    ],
    "orphan_stops": 18,
    "single_stop_trips": 0,
    "trips_total": 8
  },
  "route_map": {
    "drawn_route_count": 1,
    "has_shapes": true,
    "path": "data/artifacts/altamont-corridor-express/geometry.geojson",
    "route_count": 1,
    "routes": [
      {
        "color": "8844AA",
        "color_name": "purple",
        "has_shape": true,
        "id": "ACETrain",
        "label": "ACETrain",
        "long": "ACE Train",
        "short": "ACETrain",
        "text_color": "FFFFFF",
        "type_label": "Rail"
      }
    ],
    "stop_count": 28,
    "stop_points_capped": false
  },
  "rubric_version": "1.3",
  "schema_version": "1.17",
  "scoring_profile": {
    "id": "gtfs-scorecard-1.3",
    "provenance": "GTFS Scorecard's project-authored weights, deductions, thresholds, grade bands, and fix ranking, informed by the California Transit Data Guidelines and the MobilityData gtfs-validator. It is not a worldwide standard or a compliance determination.",
    "rubric_version": "1.3"
  },
  "shapes_readiness": {
    "detail": "All 8 trips have a shape in shapes.txt.",
    "status": "ready",
    "total_trips": 8,
    "trips_with_shape": 8
  },
  "snapshot_date": "2026-08-01",
  "top_fixes": [
    {
      "code": "scorecard_feed_expired",
      "count": 1,
      "effort": "Usually one export setting; export on a schedule so it never lapses again.",
      "fix": "Re-export the feed with a calendar that reaches further out, and set feed_info feed_end_date past your next service change.",
      "owner": "Likely your export tool",
      "points": 100.0,
      "rank": 1,
      "severity": "ERROR",
      "what": "Service data ended 578 day(s) ago.",
      "why": "When the calendar runs out, trip planners stop showing this agency even though the transit vehicles are still running. Riders are told the service does not exist."
    },
    {
      "code": "missing_required_column",
      "count": 2,
      "effort": "Often an export setting; ask your vendor if it recurs.",
      "fix": "Add the required column named in the finding to the flagged file.",
      "owner": "Likely your export tool",
      "points": 12.0,
      "rank": 2,
      "severity": "ERROR",
      "what": "A file is missing a column that GTFS requires.",
      "why": "Apps may reject the whole file, so riders could lose the affected routes or stops."
    },
    {
      "code": "equal_shape_distance_diff_coordinates",
      "count": 1,
      "effort": "Varies.",
      "fix": "Review the rule documentation for 'equal_shape_distance_diff_coordinates' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.",
      "owner": "",
      "points": 12.0,
      "rank": 3,
      "severity": "ERROR",
      "what": "Equal shape distance diff coordinates (flagged by the MobilityData validator).",
      "why": "See the linked rule for what this affects."
    }
  ],
  "validator_version": "8.0.1"
}