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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 12, 2026, 2:26 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.
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← 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 |
|---|---|---|---|---|---|
| dropoff_latitude | Number | Understood | geometry.latitude Latitude | dictionary_read_underspecifiedLatitude where the meter was | — |
| tip_amount | Number | Understood | quantity.money Monetary amount | dictionary_read_underspecifiedThis field is automatically populated for credit card tips. | — |
| dropoff_longitude | Number | Understood | geometry.longitude Longitude | dictionary_read_underspecifiedLongitude where the meter was | — |
| total_amount | Number | Understood | quantity.money Monetary amount | dictionary_read_underspecifiedThe total amount charged to passengers. | — |
| tpep_dropoff_datetime | Calendar date | Understood | time.world_event.closed Closing time | dictionary_readThe date and time when the meter was disengaged. | — |
| tolls_amount | Number | Understood | quantity.money Monetary amount | dictionary_readTotal amount of all tolls paid in trip. | — |
| pickup_latitude | Number | Understood | geometry.latitude Latitude | dictionary_read_underspecifiedLatitude where the meter was | — |
| trip_distance | Number | Checked, no match | — | dictionary_readThe elapsed trip distance in miles reported by the taximeter. | — |
| ratecodeid | Text | Understood | category.classification Publisher classification | dictionary_readThe final rate code in effect at the end of the trip | — |
| extra | Number | Understood | quantity.money Monetary amount | dictionary_readCurrently, this only includes the $0.50 and $1 rush hour and overnight charges. | — |
| mta_tax | Number | Not enough to tell | — | value_profile | — |
| fare_amount | Number | Understood | quantity.money Monetary amount | dictionary_read_underspecifiedThe time-and-distance fare calculated by the meter. | — |
| dropoff_location | Point | Not enough to tell | — | value_domain_read | — |
| pickup_location | Point | Understood | geometry.point Point geometry | value_domain_read{'type': 'Point', 'coordinates': [ | — |
| tpep_pickup_datetime | Calendar date | Understood | time.world_event.occurred Occurrence time | dictionary_readwhen the meter was engaged | — |
| store_and_fwd_flag | Text | Understood | category.classification Publisher classification | dictionary_readThis flag indicates whether the trip record was held in vehicle memory | — |
| payment_type | Text | Understood | category.classification Publisher classification | dictionary_readA numeric code signifying how the passenger paid for the trip | — |
| vendorid | Text | Checked, no match | — | dictionary_readA designation for the technology vendor that provided the record. | — |
| pickup_longitude | Number | Understood | geometry.longitude Longitude | dictionary_read_underspecifiedLongitude where the meter was | — |
| passenger_count | Number | Understood | quantity.persons Count of persons | dictionary_readThe number of passengers | — |