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Feed status · checked 2026-08-01

Calvert County Public Transportation

Based on the feed this agency publishes

Service mode Bus

30.9 / 100

unchanged since 2026-07-31

Catalogued in Maryland.

Feed expiredAccessibility gapsRealtime not yet published

A data-quality and completeness lens to help an agency improve its GTFS feed. Not an official compliance determination from any transit program. New to this? How to read your scorecard. Interactive view of this scorecard. Rubric v1.3, validator 8.0.1.

Checked for changes 9 hours ago; last changed 41 days ago.

Measured 3 of 4 score categories from the agency's own feed.

How we measured this

Confidence in this measurement: medium.

  • Realtime quality was not measured this run. It does not count against the grade.
  • The feed was downloaded from the agency's own URL.

Confidence describes how much the pipeline could measure this run, not the feed itself. It never changes the grade.

Top things to fix

Fix 01

Re-export the feed with a calendar that reaches further out, and set feed_info feed_end_date past your next service change.Likely your export tool

Service data ended 1832 day(s) ago. When the calendar runs out, trip planners stop showing this agency even though the buses are still running. Riders are told the service does not exist.

⏱ Usually one export setting; export on a schedule so it never lapses again.worth about +100 points in its category

Fix 02

Review the rule documentation for 'stop_time_timepoint_without_times' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.

Stop time timepoint without times (flagged by the MobilityData validator). See the linked rule for what this affects.

⏱ Varies.worth about +24 points in its category

Fix 03

Set wheelchair_boarding to 1 (accessible) or 2 (not accessible) for every stop. A field survey can start with the busiest stops.Likely your team

132 of 137 stops don't say whether a wheelchair user can board there. Riders who use wheelchairs can't plan a trip when accessibility is marked 'unknown'; apps show no information at all.

⏱ A column in stops.txt; your scheduling software likely has it.worth about +24 points in its category

This feed is published from a code repository, so whoever maintains that repository regenerates the zip — often planning staff or a consultant. The fix happens in the source data, then a fresh export is committed.

Finding handoff

Move one finding to a recheck

Select one finding. Copy the request, make the change in the feed-producing tool, then compare the next complete run.

Feed evidence
Service data ended 1832 day(s) ago.
Next action
Re-export the feed with a calendar that reaches further out, and set feed_info feed_end_date past your next service change.
Recheck
Publish the changed feed at the same URL. On the next complete, comparable scorecard run, confirm that this finding is no longer reported.
Copy handoff text
How to make and check these changes

Check the result on the published feed. Read the guide, make the change in your tool, and use the next comparable run to see whether the finding is still reported. Only an action or ticket record can attribute who made the change.

  1. Re-export the feed with a calendar that reaches further out, and set feed_info feed_end_date past your next service change. · Read the fix guide

    Make the change. This feed is published from a code repository, so whoever maintains that repository regenerates the zip — often planning staff or a consultant. The fix happens in the source data, then a fresh export is committed.

    Check the result. The next scorecard run checks this finding again. If a comparable check no longer reports it, the feed's clearance log records that result. This confirms feed state, not who made the change. Self-check a feed before you publish.

  2. Review the rule documentation for 'stop_time_timepoint_without_times' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed.

    Make the change. This feed is published from a code repository, so whoever maintains that repository regenerates the zip — often planning staff or a consultant. The fix happens in the source data, then a fresh export is committed.

    Check the result. The next scorecard run checks this finding again. If a comparable check no longer reports it, the feed's clearance log records that result. This confirms feed state, not who made the change. Self-check a feed before you publish.

  3. Set wheelchair_boarding to 1 (accessible) or 2 (not accessible) for every stop. A field survey can start with the busiest stops. · Read the fix guide

    Make the change. This feed is published from a code repository, so whoever maintains that repository regenerates the zip — often planning staff or a consultant. The fix happens in the source data, then a fresh export is committed.

    Check the result. The next scorecard run checks this finding again. If a comparable check no longer reports it, the feed's clearance log records that result. This confirms feed state, not who made the change. Self-check a feed before you publish.

Rider view: what this feed publishes

A quick read of rider-facing information in this feed.

Schedule visibility
The feed's last published service date was 1832 days ago.
Published accessibility data
Accessibility information is stated for 3.6% of stops and 99.3% of trips. This measures published data, not whether stops or vehicles are physically usable.
Fare information
No fare information is published in the feed.
Realtime information
Realtime-feed availability and live-arrival coverage are not known from this scorecard.

Important: This does not rate service reliability. Riders should confirm current service alerts, fares, and accessibility accommodations with the transit operator before traveling.

Send your vendor a fix request

This feed is published from a code repository. Forward this to whoever maintains that repository; the fix happens in the source data, then a fresh export is committed. Each fix names the validator notice and a guide link.

Send the agency a note

Supporting this agency? Copy this and email it to them. It names what lapsed, why it matters to riders, and the one setting to change.

Score by category

Correctness32.5 / 100

The MobilityData validator flagged 13 kinds of issue across 355 instances (184 error, 167 warning, 4 informational).

Freshness0.0 / 100

Service data ended 1832 day(s) ago. Trip planners have likely already dropped this feed.

Rider experience53.3 / 100

4% of stops state wheelchair accessibility (2% marked accessible, 1% marked not accessible). This measures what the feed publishes, not whether a stop is physically usable. Fare data is not published.

Accessibility39.5 / 100

4% of stops state accessibility (2% marked accessible). Reflects what the feed states, not verified physical usability.

2 accessibility depth signals

  • 5 route badge(s) pair a color and text color below the WCAG 4.5:1 contrast bar (Green, Orange, Pink, Blue, Gold).

    Consider: Adjust route_color or route_text_color so each pair clears 4.5:1. Often switching the text between black and white is enough.

  • 82 stop name(s) use abbreviations or symbols a screen reader may mispronounce, with no spoken form set ("Heritage Blvd at Bus Stop", "Dares Beach Rd. and Fairgrounds Rd.", "Route 4 and Skinner's Turn Rd.", and more).

    Consider: Add tts_stop_name with the spoken form, e.g. 'Main Street and Second Avenue', for the affected stops.

Opportunities to strengthen the data, not deductions from the sub-score above. States what the second accessibility lens can check from the feed, not verified physical usability.

Realtime qualityNot yet measured

Not scored yet. Nothing here counts against the grade.

Routes and stops

Each route is drawn once, using the longest shape its trips follow; stops are the dots.

This feed has 137 stops.

Skip to route and stop data

The route and stop data is ready below. Load the map only when you want the geographic view. It uses additional data.

Basemap: OpenFreeMap, © OpenStreetMap contributors. Routes and stops: this agency's GTFS feed.

  • White (black)
  • Green (green)
  • Orange (orange)
  • Pink (pink)
  • Blue (teal)
  • Yellow (yellow)
  • Gold (yellow)
  • Purple (purple)
Routes in Calvert County Public Transportation's feed
RouteTypeLine color
White Prince Frederick Shuttle IBusblack
Green Prince Frederick Shuttle IIBusgreen
Orange Dunkirk RouteBusorange
Pink North RouteBuspink
Blue South RouteBusteal
Yellow Mid-CountyBusyellow
Gold Lusby ShuttleBusyellow
Purple Charlotte HallBuspurple
List every stop
  • Calvert Pines Senior Center
  • Courthouse
  • Route 4 NB and Parran Rd.
  • Parran Rd. and Mackall Rd.
  • Mackall Rd. and Ross Rd.
  • Ross Rd. and Broomes Island Rd.
  • Broomes Island Rd. and Williams Warf Rd.
  • Broomes Island Rd. and Grays Rd.
  • Grays Rd. and Sixes Rd.
  • Sixes Rd. and Adelina Rd.
  • Adelina Rd. and Route 231
  • Route 765 and Southern Connector Blvd.
  • Heritage Blvd at Bus Stop
  • Southern Connector Blvd. and Rousby Hall Rd.
  • Rousby Hall Rd. and Chesnut Dr.
  • Chesnut Dr. and Barreda Blvd
  • Barreda Blvd. and Rousby Hall Rd.
  • Rousby Hall Rd. and HG Truman Rd.
  • HG Truman Rd. and Calvert Cliffs State Park
  • Route 4 and Sixes Rd.
  • Sixes Rd. and Grays Rd.
  • Route 4 SB and Parran Rd.
  • Little Cove Point Rd.
  • Dares Beach Rd. and Fairgrounds Rd.
  • Ranch Club (Back Gate)
  • Catalina Dr. and North Catalina Dr.
  • Catalina Dr. and Golden West Way
  • Golden West Way and Cascade Trail
  • Catalina Dr. and San Mateo Trail
  • Catalina Dr. and Chisolm Trail
  • Lake Lariat
  • Camp Grounds
  • Gunsmoke Trail and Rawhide Rd.
  • Gunsmoke Trail and Tomahawk Trail
  • Silverwood Apartments
  • Clubhouse Dr. and Catalina Dr.
  • Clubhouse Dr. and Rodeo Rd.
  • Giant Food
  • Cove Point Water Park & Pool
  • Charlotte Hall Food Lion
  • Charlotte Hall Veterans Home
  • North Prince Frederick Blvd and Hallowing Point Rd
  • North Prince Frederick Blvd and Hallowing Point Rd
  • Adelina Rd. and Route 231
  • Solomons Info Center and Island
  • Dowell Rd.
  • Ranch Club (Front Gate) and Rousby Hall Rd.
  • Fox Run Center at Cato and Giant and Kmart
  • Hospital at Main Entrance
  • Edward T. Hall Aquatic Center
  • Market Square Shopping Center at Library
  • Chapline Shopping Center at Food Lion
  • Chapline Senior Apartments
  • Calvert Village at Safeway by Soda Machine
  • Market Square Shopping Center at Library
  • Fox Run Center at Kmart and Giant
  • Fox Run Center at Cato
  • Prince Frederick Villas
  • Courthouse
  • Old Field Lane and Route 4
  • Yardley Hills and Route 231
  • Southern Maryland Network
  • Walmart
  • Sunderland Park and Ride
  • Route 4 and Skinner's Turn Rd.
  • Skinner's Turn Rd. and Route 2
  • Route 2 and Grover's Turn Rd.
  • Grover's Turn Rd. and Mount Harmony Rd.
  • Mount Harmony Rd. and Route 4
  • Town Center Blvd. at McDonalds
  • Dunkirk Market Place at Home Store
  • Dunkirk Market Place at Walmart
  • College of Southern Maryland
  • Dunkirk Market Place at Giant
  • Dunkirk Urgent Care
  • Dunkirk Park
  • Safeway Shopping Center
  • Ward Rd. Extended at Office Building
  • Fairview Library
  • Route 4 and Route 262 - Lower Marlboro Rd.
  • Route 262 and Huntingtown Rd.
  • Huntingtown Rd. at 4-Way Stop
  • Huntingtown Creek and Old Towne Rd.
  • Detention and Substance Abuse Center
  • Old Towne Rd. and Route 4
  • Route 4 and Cox Rd.
  • Route 4 and Route 2
  • Route 2 and Mount Harmony Rd.
  • Cox Rd. and Bayview Hills Rd.
  • Route 260 and Route 261
  • Chesapeake Ave. and 8th St.
  • 8th St. and Frederick Ave.
  • North Beach Community Center
  • C.B. Water Park and Library
  • Yardley Hills at Community Building
  • Route 261 and Old Bayside Rd.
  • Old Bayside Rd. and Summer City Blvd.
  • Breezy Point Store
  • Tobacco Rd. and Plum Point Rd.
  • Plum Point Rd. and Wilson Rd.
  • Wilson Rd. and Dares Beach Rd.
  • Dares Beach Rd. and Virginia Ave.
  • St. Leonard Rd. and Calvert Beach Rd.
  • SB Route 4 and White Sands Dr.
  • Sherry Lane
  • White Sands Dr. and Stable Lane
  • Sellers Wharf Rd.
  • Mill Bridge Rd.
  • Coster Rd. and Bafford Rd.
  • Patuxent Plaza Shopping Center at Bus Stop
  • Holiday Inn (Solomons)
  • Weis (Solomons)
  • Dowell Rd. and Oyster Bay Pl.
  • Olivet Rd. and St. Johns Dr.
  • Drum Pt. and Chestnut and Barreda
  • Old Field Lane
  • Ships Pt. and Rousby Hall Rd.
  • Ranch Club (Main Entrance)
  • Southern Pines Senior Apartments
  • Southern Pines Community Center
  • NB Route 4 and White Sands Dr.
  • Saint Leonard Rd. and Calvert Beach Rd.
  • Industrial Park
  • Sixes Rd. and Adelina Rd.
  • Adelina Rd. and Macs Hollow Rd.
  • Sixes Rd. and T Hance Turn Around
  • Calvert Towne
  • Grays Rd. and Broomes Island Rd.
  • Broomes Island Rd. and Williams Wharf Rd.
  • Williams Wharf Rd. and Kings Rd.
  • Broomes Island Rd. and Oyster House
  • Ross Rd.
  • Ross Rd. and Mackall Rd.
  • Mackall Rd. and Parran Rd.
  • Parran Rd. and Route 4
  • Route 4 NB and Calvert Beach Rd.
  • Route 4 NB and Broomes Island Rd.

Over time

Overall score across the last 4 checks — unchanged since 2026-07-31.

2026-07-25: 30.92026-07-30: 30.92026-07-31: 30.92026-08-01: 30.9
Show the numbers
Overall score by check, with the change from the previous check
CheckScoreChange
2026-07-2530.9 first check
2026-07-3030.9 no change
2026-07-3130.9 no change
2026-08-0130.9 no change

What changed since your last check

  • Correctness no change
  • Freshness no change
  • Rider experience no change

What changed in this feed

Overall grade and score held steady since 2026-07-31.

Same feed file as 2026-07-31; the published zip did not change.

Subscribe to this feed’s changes (Atom) to hear about grade drops in a reader, with no sign-up.

Everything we checked

18 findings, ordered by severity.

Show every finding
  • Error184 instances

    Stop time timepoint without times (flagged by the MobilityData validator).

    See the linked rule for what this affects.

    Fix: Review the rule documentation for 'stop_time_timepoint_without_times' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed. (Varies.)

    Finding code: stop_time_timepoint_without_times · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

  • Error1 instance

    Service data ended 1832 day(s) ago.

    When the calendar runs out, trip planners stop showing this agency even though the buses are still running. Riders are told the service does not exist.

    Fix: Re-export the feed with a calendar that reaches further out, and set feed_info feed_end_date past your next service change. (Usually one export setting; export on a schedule so it never lapses again.)

    Finding code: scorecard_feed_expired · Read the fix guide · See GTFS Best Practices (opens GTFS Best Practices on an external site)

  • Warning144 instances

    Some rider-facing names are in ALL CAPS or all lowercase.

    ALL-CAPS stop and headsign names are harder to read in apps and are read awkwardly by screen readers.

    Fix: Use mixed case for stop names and headsigns (e.g. 'Main St & 2nd Ave', not 'MAIN ST & 2ND AVE'). (Often a bulk fix in your scheduling software.)

    Finding code: mixed_case_recommended_field · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

  • Warning132 instances

    132 of 137 stops don't say whether a wheelchair user can board there.

    Riders who use wheelchairs can't plan a trip when accessibility is marked 'unknown'; apps show no information at all.

    Fix: Set wheelchair_boarding to 1 (accessible) or 2 (not accessible) for every stop. A field survey can start with the busiest stops. (A column in stops.txt; your scheduling software likely has it.)

    Finding code: scorecard_wheelchair_boarding_unknown · Read the fix guide · See GTFS Schedule reference (opens the GTFS Schedule reference on an external site)

  • Warning8 instances

    Some files leave out fields that GTFS asks for but does not require.

    Recommended fields like agency_phone or stop descriptions make the feed more useful to riders and trip planners.

    Fix: Review the flagged fields and fill in the ones your riders would use. (A field at a time; not urgent.)

    Finding code: missing_recommended_field · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

  • Warning5 instances

    Some service calendars in the feed have already ended.

    Expired calendars are dead weight and can hide real schedule problems from your staff and vendors.

    Fix: Remove past service periods the next time you export the feed. (One setting in most export tools.)

    Finding code: expired_calendar · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

  • Warning3 instances

    Some scheduled trips move faster between stops than a bus can.

    Usually a typo'd stop time; riders get arrival times no bus can meet.

    Fix: Check the flagged stop times for transposed minutes. (A few minutes per flagged trip.)

    Finding code: fast_travel_between_consecutive_stops · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

  • Warning3 instances

    Fast travel between far stops (flagged by the MobilityData validator).

    See the linked rule for what this affects.

    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. (Varies.)

    Finding code: fast_travel_between_far_stops · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

  • Warning1 instance

    This feed's service calendar runs out within the next 7 days.

    When the calendar ends, Google Maps and other trip planners drop your agency entirely. Riders see no service at all.

    Fix: Export and publish an updated GTFS feed that covers at least the next 30 days of service. (Usually a re-export from your scheduling software.)

    Finding code: feed_expiration_date7_days · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

  • Warning1 instance

    feed_info.txt lists no contact email and no contact URL.

    Without a contact, apps like Google Maps can't reach you when they find a problem in the feed.

    Fix: Add feed_contact_email or feed_contact_url to feed_info.txt. (One field, set once in export settings.)

    Finding code: missing_feed_contact_email_and_url · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

  • Warning1 instance

    Some stops sit far from the route line they belong to.

    Trip planners may draw the bus route through the wrong streets or point riders to the wrong corner.

    Fix: Check the flagged stops' coordinates and the route shape in your scheduling software; re-snap whichever is misplaced. (A few minutes per flagged stop.)

    Finding code: stop_too_far_from_shape · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

  • Warning1 instance

    Many of the feed's trips don't run at all in the next 7 days.

    It usually means old service periods are still in the export, making the feed bigger and harder to check.

    Fix: Trim past service periods the next time you export. (One setting in most export tools.)

    Finding code: trip_coverage_not_active_for_next7_days · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

  • Warning1 instance

    1 of 145 trips don't say whether the vehicle is wheelchair accessible.

    Even with accessible stops, riders need to know the bus itself can take them.

    Fix: Set wheelchair_accessible on every trip. If every vehicle is accessible, this may be one default; otherwise use the value for each trip. (A default or per-trip field in your export.)

    Finding code: scorecard_wheelchair_accessible_unknown · Read the fix guide · See GTFS Schedule reference (opens the GTFS Schedule reference on an external site)

  • Warning1 instance

    The feed contains no fare information.

    Riders see 'fare unknown' in trip planners and can't budget their trip; visitors are most affected.

    Fix: Add fare_attributes.txt (or Fares v2 files) with your fare structure. If your service is fare-free, ask to have it marked fare-free instead. (A small file for most flat-fare systems.)

    Finding code: scorecard_no_fare_data · Read the fix guide · See GTFS Best Practices (opens GTFS Best Practices on an external site)

  • Info2 instances

    Some service dates fall outside the date window set in feed_info.txt.

    feed_info.txt should span every day your service runs, so apps know when the data applies.

    Fix: Widen feed_start_date and feed_end_date to cover all service dates, or fix the dates that fall outside. (Two fields in feed_info.txt, or one export setting.)

    Finding code: service_window_outside_feed_period · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

  • Info1 instance

    Feed valid beyond total service window (flagged by the MobilityData validator).

    See the linked rule for what this affects.

    Fix: Review the rule documentation for 'feed_valid_beyond_total_service_window' at https://gtfs-validator.mobilitydata.org/rules.html and check the flagged rows in your feed. (Varies.)

    Finding code: feed_valid_beyond_total_service_window · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

  • Info1 instance

    Some files contain columns that are not part of the GTFS spec.

    Harmless to riders, but apps ignore these columns and they can hide typos in real column names.

    Fix: Check the flagged column names for misspellings of standard GTFS fields; remove them if they are vendor extras. (A quick look at the flagged files.)

    Finding code: unknown_column · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

  • Info1 instance

    feed_info.txt has no technical contact (feed_contact_email or feed_contact_url).

    Trip-planning apps and regional data coordinators have nobody to email when they spot a problem with your feed, so problems linger.

    Fix: Add feed_contact_email to feed_info.txt. (One field.)

    Finding code: scorecard_no_feed_contact · Read the fix guide · See MobilityData GTFS Validator rules (opens the validator rules on an external site)

NTD GTFS readiness Not ready

Resolve this before you certify on the D-10. 1 validator error to resolve. Service data expired 1832 days ago, so FTA would find the link out of date.

Published Ready
Published at a public URL.
Valid Needs attention
1 validator error to resolve.
Current Not ready
Service data expired 1832 days ago, so FTA would find the link out of date.
agency_id provided Ready
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.
agency_id equals your NTD ID (optional) Not checked yet
This feed provides agency_id. For RY2026, keep one stable value for each NTD reporter represented in the feed and crosswalk it on the P-50 form. The value does not need to equal the five-digit NTD ID; we do not have that ID on file, so the optional equality comparison is not checked yet.
shapes.txt covers your trips Ready
All 145 trips have a shape in shapes.txt.

In plain words: if you report to the federal transit database, you have to publish a working, up-to-date feed, provide a stable agency_id for each represented reporter, and confirm the feed and P-50 crosswalk each year. This box is a heads-up; your filings are the official check.

A readiness signal mapping this feed to the FTA National Transit Database GTFS requirement (Report Year 2023 onward: a public, valid, current feed, certified annually on the D-10). For RY2026, each represented reporter needs a stable agency_id, unique within the feed and crosswalked to its five-digit NTD ID on P-50; the values do not need to be equal. FTA also requires shapes.txt in the published GTFS: Full Reporters from Report Year 2025, and Reduced, Rural, and Tribal Reporters from Report Year 2026. Not an official determination; your certification is the official check.

Conformance mark Not yet

This feed is close to the conformance mark. 1 validator error to resolve. Service data expired 1832 days ago. States wheelchair access on 4% of stops and 99% of trips; the mark needs 90% of each.

Valid Not yet
1 validator error to resolve.
Current Not yet
Service data expired 1832 days ago.
Accessible Not yet
States wheelchair access on 4% of stops and 99% of trips; the mark needs 90% of each.

In plain words: earn this mark when your feed passes validation, has not expired, and says whether nearly every stop and trip is wheelchair accessible.

A pass credential for a feed that is valid, current, and states wheelchair access on nearly every stop and trip. Accessibility here measures what the feed publishes, not whether a stop is physically usable. How the conformance mark works.

Below the Google and Apple Maps four-week coverage bar. This feed's last day of service has passed, so Google and Apple Maps will stop showing your agency. Re-export with a calendar that covers at least the next four weeks. The feed also carries 184 validator errors, the other thing Maps checks at onboarding; the findings below name each fix.

How this agency maps to the standards

The scorecard is a data-quality lens, not a compliance determination. Its universal references describe good GTFS and useful rider information. Useful references here are GTFS Schedule Best Practices, GTFS-Realtime Best Practices, MobilityData grading scheme, Google Transit publication guidance, FTA National Transit Database GTFS requirement. Read the full standards crosswalk.

Correctness 32 / 100
GTFS Schedule best practices, checked by the MobilityData validator. MobilityData grading covers stop locations, route names, and colors. Google Transit requires a feed to pass validation for publication. FTA NTD readiness also checks that the published feed is valid.
Freshness 0 / 100
GTFS Schedule best practices call for a dataset that stays current. An expired calendar can remove service from Google Transit and other rider trip planners. FTA NTD readiness also checks that the published feed is current.
Rider experience 53 / 100
GTFS Best Practices for rider-facing fields. MobilityData grading covers stop names and headsigns.
Realtime quality Not yet published
GTFS-Realtime best practices: a stable URL, high uptime, and frequent updates.

Show your grade

Put a badge on your agency site or feed README. It updates after each completed scoring check and links back to this scorecard.

Calvert County Public Transportation GTFS data quality grade: F

Prefer a shields.io style? Point a dynamic endpoint badge at the published badge.json.

Cite this record

This page updates on every check. The record below does not: it is the dated file this grade came from, published at https://gtfsscorecard.org/data/artifacts/calvert-county-public-transportation/2026-08-01.json and never overwritten, pinning the grade, category scores, rubric version, validator version, reader archive profile, and the scored feed's sha256 as they stood on 2026-08-01. Use it in a board packet, a regulatory filing, or a research citation instead of linking the live page, whose content will differ on your next visit.

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