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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 10, 2026, 1:55 PM
3,026 datasets, 56,681 catalogued fields, 9,808 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.
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← What we have understood · Dataset page
Most read — At least three quarters of their fields carry a verdict.
Covered and uncovered alike, in the order the publisher lists them. A field with no verdict is one nobody has looked at yet.
| Field | Type | What we know | Meaning | How it was decided | Shared term |
|---|---|---|---|---|---|
| _24_hours 24 HOURS | Text | Checked, no match | — | value_profiletop[3]={Not Reported×669; Yes×71; No×31} | — |
| download_pdf_report DOWNLOAD PDF REPORT | URL | Nobody has looked | — | — | — |
| postcode Postcode | Number | Checked, no match | — | value_domain_read | — |
| website WEBSITE | URL | Nobody has looked | — | — | — |
| booking_app BOOKING APP | Text | Checked, no match | — | dictionary_readName of app for booking a trip | — |
| base_provides_safety_training BASE PROVIDES SAFETY TRAINING | Text | Checked, no match | — | value_profiletop[3]={Not Reported×669; Yes×71; No×31} | — |
| longitude LONGITUDE | Number | Nobody has looked | — | — | — |
| sector_average_vehicle_safety_violations_per_vehicle SECTOR AVERAGE - VEHICLE SAFETY VIOLATIONS PER VEHICLE | Number | Nobody has looked | — | — | — |
| sector_average_base_safety_violations_per_vehicle SECTOR AVERAGE -BASE SAFETY VIOLATIONS PER VEHICLE | Number | Nobody has looked | — | — | — |
| community_board Community Board | Number | Checked, no match | — | value_domain_read | — |
| fatal_crash_details FATAL CRASH DETAILS | Text | Checked, no match | — | value_domain_readtop[5]={(Not found at fault. No TLC action)×5; 0×2; Not Reported×2 | — |
| industry_sector INDUSTRY SECTOR | Text | Understood | category.classification Publisher classification | dictionary_readTLC FHV industry sectors | — |
| sector_average_injury_crashes_per_vehicle SECTOR AVERAGE - INJURY CRASHES PER VEHICLE | Number | Nobody has looked | — | — | — |
| year_base_opened YEAR BASE OPENED | Number | Checked, no match | — | value_domain_readsmallest=1939 largest=2015 sum=1535227 average=2004.212793733681 top[8 of 20]={1997×161; 1999×71 | — |
| latitude LATITUDE | Number | Nobody has looked | — | — | — |
| book_ahead_service BOOK AHEAD SERVICE | Text | Checked, no match | — | value_profiletop[3]={Not Reported×669; Yes×71; No×31} | — |
| base_safety_violations_per_vehicle BASE SAFETY VIOLATIONS PER VEHICLE | Number | Nobody has looked | — | — | — |
| top_vehicle_models_4 TOP VEHICLE MODELS - 4 | Text | Checked, no match | — | dictionary_readcommon make and model among base's affiliated vehicles | — |
| vehicle_safety_violations_per_vehicle VEHICLE SAFETY VIOLATIONS PER VEHICLE | Number | Checked, no match | — | dictionary_read_underspecifiedA count of summonses naming vehicles affiliated to a base at the time the violation was issued | — |
| license_number LICENSE NUMBER | Text | Checked, no match | — | dictionary_readTLC License Number for base | — |
| base_does_business_as BASE DOES BUSINESS AS | Text | Nobody has looked | — | — | — |
| top_vehicle_models_3 TOP VEHICLE MODELS - 3 | Text | Checked, no match | — | dictionary_readcommon make and model among base's affiliated vehicles | — |
| affiliated_vehicles AFFILIATED VEHICLES | Number | Nobody has looked | — | — | — |
| borough Borough | Text | Checked, no match | — | value_domain_read | — |
| address ADDRESS | Text | Understood | place.street_address Street address | value_domain_readtop[8 of 20]={636 WEST 28 STREET NEW YORK NY 1000…(clipped)×18; 1440 39 STREET BROOKLYN NY 11218×10 | — |
| on_demand_service ON DEMAND SERVICE | Text | Checked, no match | — | value_profiletop[3]={Not Reported×669; Yes×71; No×31} | — |
| council_district Council District | Number | Understood | place.council_district City Council District | value_domain_read | council_district |
| percent_hybrid_alt_fuel_vehicles PERCENT HYBRID & ALT-FUEL VEHICLES | Number | Checked, no match | — | dictionary_readPercentage of vehicles affiliated to a base that have hybrid or electric engines | — |
| average_vehicle_age AVERAGE VEHICLE AGE | Number | Checked, no match | — | dictionary_readAn average of the age (in years) of all affiliated vehicles during the report period | — |
| census_tract Census Tract | Number | Checked, no match | — | value_domain_read | — |
| serving_areas SERVING AREAS | Text | Nobody has looked | — | — | — |
| injury_crashes_per_vehicle INJURY CRASHES PER VEHICLE | Number | Nobody has looked | — | — | — |
| percent_wheelchair_accessible_vehicles PERCENT WHEELCHAIR ACCESSIBLE VEHICLES | Number | Checked, no match | — | dictionary_readPercentage of vehicles affiliated to a base that have hybrid or electric engines | — |
| vehicle_safety_technology_used VEHICLE SAFETY TECHNOLOGY USED | Text | Checked, no match | — | value_profiletop[3]={Not Reported×669; Yes×71; No×31} | — |
| email | Text | Checked, no match | — | value_domain_readtop[8 of 20]={[email protected]×27; [email protected]×7; [email protected]×7 | — |
| top_vehicle_models_2 TOP VEHICLE MODELS - 2 | Text | Checked, no match | — | dictionary_readcommon make and model among base's affiliated vehicles | — |
| phone PHONE | Text | Checked, no match | — | value_domain_readtop[8 of 20]={718-438-1100×8; Yes×5; 718-438-6262×2; 212-787-7777×2 | — |
| _2015_honor_roll_drivers 2015 HONOR ROLL DRIVERS | Number | Understood | quantity.persons Count of persons | dictionary_readNumber of drivers affiliated to the business who were members of the 2015 TLC Safety Honor Roll | — |
| base_name BASE NAME | Text | Understood | actor.organization Organization | dictionary_readCorporate base name in TLC records | — |
| sector_average_average_vehicle_age SECTOR AVERAGE - AVERAGE VEHICLE AGE | Number | Nobody has looked | — | — | — |
| bin BIN | Number | Understood | place.bin Building Identification Number | operator_cohort matched by name, unread | bin |
| bbl BBL | Number | Checked, no match | — | value_domain_read | — |
| top_vehicle_models_1 TOP VEHICLE MODELS - 1 | Text | Checked, no match | — | dictionary_readcommon make and model among base's affiliated vehicles | — |
| location Location | Point | Not enough to tell | — | value_domain_read | — |
| green_taxi_service GREEN TAXI SERVICE | Text | Checked, no match | — | value_profiletop[3]={Not Reported×669; Yes×71; No×31} | — |
| top_vehicle_models_5 TOP VEHICLE MODELS - 5 | Text | Checked, no match | — | dictionary_readcommon make and model among base's affiliated vehicles | — |
| :@computed_region_f5dn_yrer Community Districts | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |
| :@computed_region_yeji_bk3q Borough Boundaries | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |
| :@computed_region_efsh_h5xi Zip Codes | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |
| :@computed_region_92fq_4b7q City Council Districts | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |
| hosted_vision_zero_training HOSTED VISION ZERO TRAINING | Text | Checked, no match | — | value_profiletop[3]={Not Reported×669; Yes×71; No×31} | — |
| nta NTA | Text | Checked, no match | — | value_domain_read | — |
| _2015_honor_roll_base 2015 HONOR ROLL BASE | Text | Checked, no match | — | value_profiletop[3]={Not Reported×669; Yes×71; No×31} | — |
| fatal_crashes FATAL CRASHES | Number | Checked, no match | — | dictionary_readresulting in a fatality (on-duty and off-duty) | — |
| :@computed_region_sbqj_enih Police Precincts | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |