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Coverage

56,681 of 56,681 columns decided — 100.0% · 12,642 bound (22.3%) · 0 still unread

Bound: 12,642; 22.3%; a concept was found and asserted for the column.
Refused: 32,953; 58.1%; the column was read and no concept fits. A verdict, not a gap.
Insufficient: 11,086; 19.6%; read, but the evidence did not settle it.
Unanalysed: 0; 0.0%; nobody has read this column yet.

56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 12, 2026, 8:26 AM

Where the unread columns are

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.

2025 High Volume FHV Trip Data

nt46-nv3c

← What we have understood · Dataset page

Fields catalogued

Understood

Checked, no match

Nobody has looked

Every field decided — Every field carries a verdict — which does not mean every field is understood.

Every field in this dataset

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
hvfhs_license_num	Text	Checked, no match	—	dictionary_read The TLC license number of the HVFHS base or business	—
dispatching_base_num	Text	Checked, no match	—	dictionary_read of the base	—
originating_base_num	Text	Checked, no match	—	dictionary_read of the base	—
request_datetime	Calendar date	Checked, no match	—	dictionary_read date/time when passenger requested to be picked up	—
on_scene_datetime	Calendar date	Checked, no match	—	dictionary_read date/time when driver arrived at the pick-up location (Accessible Vehicles-only)	—
pickup_datetime	Calendar date	Understood	time.world_event.occurred Occurrence time	dictionary_read The date and time of the trip pick-up	—
dropoff_datetime	Calendar date	Understood	time.world_event.closed Closing time	dictionary_read The date and time of the trip drop-off	—
pulocationid PULocationID	Number	Checked, no match	—	dictionary_read TLC Taxi Zone	—
dolocationid DOLocationID	Number	Checked, no match	—	dictionary_read TLC Taxi Zone	—
trip_miles	Number	Checked, no match	—	dictionary_read miles	—
trip_time	Number	Checked, no match	—	dictionary_read total time in seconds for passenger trip	—
base_passenger_fare	Number	Understood	quantity.money Monetary amount	dictionary_read fare	—
tolls	Number	Understood	quantity.money Monetary amount	dictionary_read_underspecified total amount of all tolls paid in trip	—
bcf	Number	Understood	quantity.money Monetary amount	dictionary_read_underspecified total amount collected in trip for	—
sales_tax	Number	Understood	quantity.money Monetary amount	dictionary_read_underspecified total amount collected in trip for	—
congestion_surcharge	Number	Understood	quantity.money Monetary amount	dictionary_read_underspecified total amount collected in trip for	—
airport_fee	Number	Understood	quantity.money Monetary amount	dictionary_read $2.50 for both drop off and pick up	—
tips	Number	Understood	quantity.money Monetary amount	dictionary_read_underspecified total amount of tips received from passenger	—
driver_pay	Number	Understood	quantity.money Monetary amount	dictionary_read total driver pay	—
shared_request_flag	Text	Checked, no match	—	value_domain_read top[2]={N×236695448; Y×6894236}	—
shared_match_flag	Text	Checked, no match	—	value_domain_read top[2]={N×236695448; Y×6894236}	—
access_a_ride_flag	Text	Checked, no match	—	value_domain_read top[2]={N×236695448; Y×6894236}	—
wav_request_flag	Text	Checked, no match	—	value_domain_read top[2]={N×236695448; Y×6894236}	—
wav_match_flag	Text	Checked, no match	—	value_domain_read top[2]={N×236695448; Y×6894236}	—
cbd_congestion_fee	Number	Understood	quantity.money Monetary amount	dictionary_read Per-trip charge for MTA's Congestion Relief Zone starting Jan. 5, 2025	—