{
  "agency": {
    "id": "massachusetts-bay-transportation-authority-mbta-437",
    "name": "Massachusetts Bay Transportation Authority (MBTA)"
  },
  "autofix": {
    "available": true,
    "download_path": "data/artifacts/massachusetts-bay-transportation-authority-mbta-437/corrected.zip",
    "download_url": "https://d14aimrgrbaz2a.cloudfront.net/data/artifacts/massachusetts-bay-transportation-authority-mbta-437/corrected.zip",
    "fixes": [
      {
        "code": "autofix_trim_whitespace",
        "count": 3,
        "examples": [
          "'stop_name': 'Public Garden ' -> 'Public Garden'",
          "'stop_desc': 'Public Garden ' -> 'Public Garden'",
          "'stop_desc': 'Quincy Adams - Ground level of Elevator 806 ' -> 'Quincy Adams - Ground level of Elevator 806'"
        ],
        "label": "Trimmed surrounding whitespace"
      }
    ],
    "total": 3
  },
  "categories": {
    "completeness": {
      "details": {
        "accessibility": {
          "measures": "presence_not_usability",
          "score": 97.1,
          "stops_marked_accessible_pct": 91.9,
          "stops_marked_not_accessible_pct": 3.4,
          "stops_stated_pct": 95.3,
          "trips_stated_pct": 100.0
        },
        "accessibility_measures": "presence_not_usability",
        "components": {
          "contact": 15.0,
          "fares": 15.0,
          "headsigns": 15.0,
          "stop_names": 15.0,
          "wheelchair_stops": 23.8,
          "wheelchair_trips": 15.0
        },
        "fare_free": false,
        "fares": {
          "applied": true,
          "has_leg_rules": true,
          "has_products": true,
          "has_transfer_rules": true,
          "model": "v2",
          "product_count": 119
        },
        "flex": {
          "booking_reachable": false,
          "booking_rule_count": 0,
          "has_booking_rules": false,
          "has_flex": false
        },
        "has_fares": true,
        "headsign_pct": 100.0,
        "mixed_case_stop_name_pct": 100.0,
        "pathways": {
          "has_entrances": true,
          "has_levels": true,
          "has_pathways": true,
          "has_stations": true,
          "has_step_free": true,
          "pathway_count": 9317
        },
        "stops": 10308,
        "trips": 121935,
        "wheelchair_accessible_pct": 100.0,
        "wheelchair_boarding_pct": 95.3,
        "wheelchair_marked_accessible_pct": 91.9,
        "wheelchair_marked_not_accessible_pct": 3.4
      },
      "findings": [
        {
          "code": "scorecard_wheelchair_boarding_unknown",
          "count": 486,
          "effort": "A column in stops.txt; your scheduling software likely has it.",
          "fix": "Set wheelchair_boarding to 1 (accessible) or 2 (not accessible) for every stop. A field survey can start with the busiest stops.",
          "owner": "Likely your team",
          "points": 1.2,
          "severity": "WARNING",
          "what": "486 of 10308 stops don't say whether a wheelchair user can board there.",
          "why": "Riders who use wheelchairs can't plan a trip when accessibility is marked 'unknown'; apps show no information at all."
        },
        {
          "code": "scorecard_station_pathways",
          "count": 9317,
          "effort": "None.",
          "fix": "No action needed.",
          "owner": "",
          "points": 0.0,
          "severity": "INFO",
          "what": "This feed describes station pathways, including step-free (elevator) routes.",
          "why": "Riders can be routed through the station, and wheelchair users can see whether a step-free route exists."
        }
      ],
      "name": "completeness",
      "score": 98.8,
      "status": "measured",
      "summary": "95% of stops state wheelchair accessibility (92% marked accessible, 3% 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": 14,
        "instances_by_severity": {
          "ERROR": 0,
          "INFO": 2352,
          "WARNING": 844
        },
        "validator_version": "8.0.1"
      },
      "findings": [
        {
          "code": "same_name_and_description_for_stop",
          "count": 331,
          "effort": "Varies.",
          "fix": "Review the rule documentation for 'same_name_and_description_for_stop' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.",
          "owner": "",
          "points": 8.0,
          "severity": "WARNING",
          "what": "Same name and description for stop (flagged by the MobilityData validator).",
          "why": "See the linked rule for what this affects."
        },
        {
          "code": "route_short_name_too_long",
          "count": 217,
          "effort": "Varies.",
          "fix": "Review the rule documentation for 'route_short_name_too_long' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.",
          "owner": "",
          "points": 8.0,
          "severity": "WARNING",
          "what": "Route short name too long (flagged by the MobilityData validator).",
          "why": "See the linked rule for what this affects."
        },
        {
          "code": "stop_without_stop_time",
          "count": 139,
          "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": 8.0,
          "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 bus is scheduled to arrive."
        },
        {
          "code": "fast_travel_between_consecutive_stops",
          "count": 67,
          "effort": "A few minutes per flagged trip.",
          "fix": "Check the flagged stop times for transposed minutes.",
          "owner": "",
          "points": 8.0,
          "severity": "WARNING",
          "what": "Some scheduled trips travel implausibly fast between stops.",
          "why": "Usually a typo'd stop time; riders get impossible arrival estimates."
        },
        {
          "code": "fast_travel_between_far_stops",
          "count": 35,
          "effort": "Varies.",
          "fix": "Review the rule documentation for 'fast_travel_between_far_stops' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.",
          "owner": "",
          "points": 6.0,
          "severity": "WARNING",
          "what": "Fast travel between far stops (flagged by the MobilityData validator).",
          "why": "See the linked rule for what this affects."
        },
        {
          "code": "expired_calendar",
          "count": 18,
          "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": 6.0,
          "severity": "WARNING",
          "what": "Some service calendars in the feed have already expired.",
          "why": "Expired calendars are dead weight and can hide real schedule problems from your staff and vendors."
        },
        {
          "code": "service_has_no_active_day_of_the_week",
          "count": 17,
          "effort": "A few minutes in your scheduling software.",
          "fix": "Delete the empty calendars or set their service days.",
          "owner": "Likely your export tool",
          "points": 6.0,
          "severity": "WARNING",
          "what": "Some service calendars have no days of the week switched on.",
          "why": "Trips tied to these calendars never run; they are dead data that can mask real schedule problems."
        },
        {
          "code": "stop_too_far_from_shape",
          "count": 13,
          "effort": "A few minutes per flagged stop.",
          "fix": "Check the flagged stops' coordinates and the route shape in your scheduling software; re-snap whichever is misplaced.",
          "owner": "Likely your export tool",
          "points": 6.0,
          "severity": "WARNING",
          "what": "Some stops sit far from the route line they belong to.",
          "why": "Trip planners may draw the bus route through the wrong streets or point riders to the wrong corner."
        },
        {
          "code": "unusable_trip",
          "count": 7,
          "effort": "Worth a vendor question if it appears often.",
          "fix": "Check the flagged trips in your scheduling software; remove them or restore their missing stops.",
          "owner": "Likely your export tool",
          "points": 6.0,
          "severity": "WARNING",
          "what": "Some trips serve fewer than two stops.",
          "why": "A trip with one stop can't be ridden; planners ignore it and it may signal an export problem."
        },
        {
          "code": "trip_headsign_matches_intermediate_stop",
          "count": 2290,
          "effort": "Varies.",
          "fix": "Review the rule documentation for 'trip_headsign_matches_intermediate_stop' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.",
          "owner": "",
          "points": 1.0,
          "severity": "INFO",
          "what": "Trip headsign matches intermediate stop (flagged by the MobilityData validator).",
          "why": "See the linked rule for what this affects."
        },
        {
          "code": "unknown_column",
          "count": 29,
          "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": 0.8,
          "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."
        },
        {
          "code": "big_gap_in_service",
          "count": 17,
          "effort": "Varies.",
          "fix": "Review the rule documentation for 'big_gap_in_service' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.",
          "owner": "",
          "points": 0.8,
          "severity": "INFO",
          "what": "Big gap in service (flagged by the MobilityData validator).",
          "why": "See the linked rule for what this affects."
        },
        {
          "code": "unknown_file",
          "count": 12,
          "effort": "Varies.",
          "fix": "Review the rule documentation for 'unknown_file' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.",
          "owner": "",
          "points": 0.8,
          "severity": "INFO",
          "what": "Unknown file (flagged by the MobilityData validator).",
          "why": "See the linked rule for what this affects."
        },
        {
          "code": "platform_without_parent_station",
          "count": 4,
          "effort": "Varies.",
          "fix": "Review the rule documentation for 'platform_without_parent_station' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.",
          "owner": "",
          "points": 0.5,
          "severity": "INFO",
          "what": "Platform without parent station (flagged by the MobilityData validator).",
          "why": "See the linked rule for what this affects."
        }
      ],
      "name": "correctness",
      "score": 34.2,
      "status": "measured",
      "summary": "The MobilityData validator flagged 14 kinds of issue across 3196 instances (0 error, 844 warning, 2352 informational).",
      "weight": 0.35
    },
    "freshness": {
      "details": {
        "days_until_expiry": 57,
        "feed_end_date": "2026-09-05",
        "feed_start_date": "2026-06-19",
        "feed_version": "Summer 2026, 2026-06-26T19:57:52+00:00, version D",
        "has_feed_info": true,
        "last_service_date": "2026-09-05",
        "seasonal_boundary": false,
        "service_type": "fixed"
      },
      "findings": [],
      "name": "freshness",
      "score": 95.0,
      "status": "measured",
      "summary": "Service data covers the next 57 days.",
      "weight": 0.2
    },
    "realtime": {
      "details": {
        "coverage_pct": 95.2,
        "covered_trips": 239,
        "drift": {
          "median_seconds": 34,
          "observations": 15140,
          "on_time_share_pct": 67.1,
          "p90_abs_seconds": 352
        },
        "kinds_reachable": 3,
        "rt_freshness": "fresh",
        "samples": 9,
        "scheduled_trips_in_window": 251,
        "vehicles_checked": 782,
        "vehicles_on_route_pct": 99.6,
        "worst_lag_seconds": 2
      },
      "findings": [
        {
          "code": "scorecard_rt_trip_coverage",
          "count": 12,
          "effort": "A vendor data-mapping question.",
          "fix": "Check with your AVL vendor that every vehicle assignment flows into TripUpdates, including school-day and tripper runs.",
          "owner": "",
          "points": 1.7,
          "severity": "WARNING",
          "what": "12 of 251 trips scheduled during the sampling window had no live predictions.",
          "why": "Riders on those trips get schedule data dressed up as realtime. Caltrans expects every operating trip in TripUpdates."
        }
      ],
      "name": "realtime",
      "score": 98.3,
      "status": "measured",
      "summary": "Sampled 9 times: 3 of 3 feeds healthy; 95.2% of scheduled trips had live predictions; 99.6% of vehicles on their route; predictions ran a median of 34s behind schedule.",
      "weight": 0.2
    }
  },
  "conformance": {
    "awarded": true,
    "criteria": [
      {
        "detail": "Passes validation with no errors.",
        "key": "valid",
        "met": true
      },
      {
        "detail": "Service data covers the next 67 days.",
        "key": "current",
        "met": true
      },
      {
        "detail": "States wheelchair access on 95% of stops and 100% of trips.",
        "key": "accessible",
        "met": true
      }
    ],
    "status": "awarded",
    "summary": "This feed earns the conformance mark: valid, current, and stating wheelchair access on nearly every stop and trip."
  },
  "feed": {
    "license_note": "License: https://www.mass.gov/files/documents/2017/10/27/develop_license_agree_0.pdf",
    "reachable": true,
    "sha256": "de972117c994b308ff6cbfc1404b80f10d86c6367d0dfa55a237ce33e7424297",
    "size_bytes": 25895858,
    "static_url": "https://cdn.mbta.com/MBTA_GTFS.zip"
  },
  "generated_at": "2026-06-30T00:00:00+00:00",
  "geo": {
    "bbox": [
      -71.84849,
      41.58109,
      -70.27658,
      42.79784
    ],
    "lat": 42.35642,
    "lon": -71.07411,
    "stop_count": 9617
  },
  "ntd_id_alignment": {
    "detail": "If you report to the National Transit Database, your GTFS agency_id should be your five-digit NTD ID by report year 2026 (2025 for full reporters). We don't have your NTD ID on file, so this one is not checked yet.",
    "feed_agency_ids": [
      "3",
      "1"
    ],
    "status": "unknown"
  },
  "ntd_readiness": {
    "pillars": [
      {
        "detail": "Published at a public URL.",
        "key": "published",
        "status": "ready"
      },
      {
        "detail": "Passes validation with no errors.",
        "key": "valid",
        "status": "ready"
      },
      {
        "detail": "Service data covers the next 67 days.",
        "key": "current",
        "status": "ready"
      }
    ],
    "status": "ready",
    "summary": "This feed looks ready for your NTD certification: published at a public URL, valid, and current. The official check is still your D-10 certification."
  },
  "overall": {
    "grade": "C",
    "margin_to_lower_band": 5.3,
    "margin_to_next_band": 4.7,
    "score": 75.3
  },
  "recommendations": [
    {
      "code": "scorecard_fares_v2_no_rider_categories",
      "count": 0,
      "effort": "Usually a short file naming the discount groups you already publish.",
      "fix": "Add rider_categories.txt for the fares you already offer, then reference those categories from your fare products.",
      "owner": "",
      "points": 0.0,
      "severity": "INFO",
      "what": "The feed publishes fare products but no rider_categories.txt defining who qualifies for each fare.",
      "why": "Without rider categories, apps can only show the full adult fare and can't surface senior, youth, or student discounts a rider may be eligible for."
    },
    {
      "code": "scorecard_route_color_low_contrast",
      "count": 16,
      "effort": "A per-route color setting in your scheduling software.",
      "fix": "Adjust route_color or route_text_color so each pair clears 4.5:1. Often switching the text between black and white is enough.",
      "owner": "Likely your export tool",
      "points": 0.0,
      "severity": "WARNING",
      "what": "16 route badge(s) pair a color and text color below the WCAG 4.5:1 contrast bar (Orange Line, SL1, SL2, SL3, SL4, and more).",
      "why": "Low-contrast route badges are hard to read for riders with low vision and wash out on a phone screen in sunlight at the stop."
    },
    {
      "code": "scorecard_stop_name_needs_tts",
      "count": 7231,
      "effort": "A short text field per affected stop; start with the busiest.",
      "fix": "Add tts_stop_name with the spoken form, e.g. 'Main Street and Second Avenue', for the affected stops.",
      "owner": "",
      "points": 0.0,
      "severity": "INFO",
      "what": "7231 stop name(s) use abbreviations or symbols a screen reader may mispronounce, with no spoken form set (\"Washington St opp Ruggles St\", \"Theo Glynn Way @ Newmarket Sq\", \"Tremont St opp Temple Pl\", and more).",
      "why": "Riders who use a screen reader hear the raw name, so 'Main St & 2nd Ave' can come out as 'Main saint' or drop the ampersand."
    }
  ],
  "recompute": {
    "as_of": "2026-07-10",
    "feed_fetched_date": "2026-06-30",
    "kind": "freshness"
  },
  "routability": {
    "boardable_stops": 7782,
    "findings": [
      {
        "code": "scorecard_single_stop_trips",
        "count": 7,
        "effort": "Usually an export setting or a stop_times mapping in your software.",
        "fix": "Check your scheduling export: every trip should list each stop it calls at, in order, with times.",
        "owner": "Likely your export tool",
        "points": 0.0,
        "severity": "WARNING",
        "what": "7 of 121935 trips list fewer than two stops.",
        "why": "A trip with one stop has no leg a rider can ride; trip planners can't route anyone on it, so the service effectively does not exist."
      },
      {
        "code": "scorecard_orphan_stops",
        "count": 139,
        "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": "139 of 7782 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": 139,
    "single_stop_trips": 7,
    "trips_total": 121935
  },
  "rubric_version": "1.1",
  "schema_version": "1.4",
  "snapshot_date": "2026-07-10",
  "top_fixes": [
    {
      "code": "same_name_and_description_for_stop",
      "count": 331,
      "effort": "Varies.",
      "fix": "Review the rule documentation for 'same_name_and_description_for_stop' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.",
      "owner": "",
      "points": 8.0,
      "rank": 1,
      "severity": "WARNING",
      "what": "Same name and description for stop (flagged by the MobilityData validator).",
      "why": "See the linked rule for what this affects."
    },
    {
      "code": "route_short_name_too_long",
      "count": 217,
      "effort": "Varies.",
      "fix": "Review the rule documentation for 'route_short_name_too_long' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.",
      "owner": "",
      "points": 8.0,
      "rank": 2,
      "severity": "WARNING",
      "what": "Route short name too long (flagged by the MobilityData validator).",
      "why": "See the linked rule for what this affects."
    },
    {
      "code": "stop_without_stop_time",
      "count": 139,
      "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": 8.0,
      "rank": 3,
      "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 bus is scheduled to arrive."
    }
  ],
  "validator_version": "8.0.1"
}