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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, 9:18 PM
3,026 datasets, 56,681 catalogued fields, 0 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.
u253-aew4
← What we have understood · Dataset page
Every field decided — Every field carries a verdict — which does not mean every field is understood.
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 |
|---|---|---|---|---|---|
| bcf | Number | Understood | quantity.money Monetary amount | dictionary_readtotal amount collected in trip for Black Car Fund | — |
| wav_match_flag | Checkbox | Checked, no match | — | value_domain_readtop[2]={False×30748; True×8334} | — |
| dispatching_base_num | Text | Checked, no match | — | value_domain_readtop[8 of 20]={B03404×153730161; B03406×71481; B02764×54511; B02872×6078; B02395×4789; B02882×4097; B02835×3936; B02870×3887} | — |
| wav_request_flag | Text | Checked, no match | — | value_domain_readtop[2]={N×210564721; Y×1851362} | — |
| dropoff_datetime | Calendar date | Not enough to tell | — | value_domain_readcard=2 nonnull=212416083 null=0 smallest=HV0003 largest=HV0005 top[2]={HV0003×153847310; HV0005×58568773} | — |
| dolocationid DOLocationID | Number | Checked, no match | — | value_domain_readsmallest=HV0003 largest=HV0005 top[2]={HV0003×167127330; HV0005×65362690} | — |
| on_scene_datetime | Calendar date | Understood | time.world_event Something happened | dictionary_readdate/time when driver arrived at the pick-up location (Accessible Vehicles-only) | — |
| airport_fee | Number | Understood | quantity.money Monetary amount | dictionary_read$2.50 for both drop off and pick up at LaGuardia, Newark, and John F. Kennedy airports | — |
| trip_miles | Number | Checked, no match | — | value_domain_readsmallest=HV0003 largest=HV0005 top[2]={HV0003×167127330; HV0005×65362690} | — |
| sales_tax | Number | Understood | quantity.money Monetary amount | dictionary_readtotal amount collected in trip for NYS sales tax | — |
| request_datetime | Calendar date | Understood | time.world_event Something happened | dictionary_readdate/time when passenger requested to be picked up | — |
| originating_base_num | Text | Checked, no match | — | value_domain_readtop[8 of 20]={B03404×153730161; B03406×71481; B02764×54511; B02872×6078; B02395×4789; B02882×4097; B02835×3936; B02870×3887} | — |
| congestion_surcharge | Number | Understood | quantity.money Monetary amount | dictionary_readtotal amount collected in trip for NYS congestion surcharge | — |
| access_a_ride_flag | Text | Checked, no match | — | value_domain_readsmallest=HV0003 largest=HV0005 top[2]={HV0003×167127330; HV0005×65362690} | — |
| shared_match_flag | Text | Checked, no match | — | value_domain_readtop[2]={N×210564721; Y×1851362} | — |
| tolls | Number | Understood | quantity.money Monetary amount | dictionary_read_underspecifiedtotal amount of all tolls paid in trip | — |
| trip_time | Number | Checked, no match | — | dictionary_readtotal time in seconds for passenger trip | — |
| shared_request_flag | Text | Checked, no match | — | value_domain_readtop[2]={N×210564721; Y×1851362} | — |
| hvfhs_license_num | Text | Checked, no match | — | value_domain_readtop[2]={HV0003×153847310; HV0005×58568773} | — |
| tips | Number | Understood | quantity.money Monetary amount | dictionary_readtotal amount of tips received from passenger | — |
| base_passenger_fare | Number | Understood | quantity.money Monetary amount | dictionary_readbase passenger fare before tolls, tips, taxes, and fees | — |
| pickup_datetime | Calendar date | Understood | time.world_event.occurred Occurrence time | dictionary_readThe date and time of the trip pick-up | — |
| pulocationid PULocationID | Number | Checked, no match | — | value_domain_readsmallest=HV0003 largest=HV0005 top[2]={HV0003×167127330; HV0005×65362690} | — |
| driver_pay | Number | Understood | quantity.money Monetary amount | dictionary_readtotal driver pay (not including tolls or tips and net of commission, surcharges, or taxes) | — |