Gaps in the data behind this page

710 of the 3,026 datasets in the catalog hold no queryable rows.
70 of the 2,408 mirrored datasets lag the source they copy.

Source last observed Oct 10, 2026, 3:00 PM.

Where each note comes from

710 of the 3,026 datasets in the catalog hold no queryable rows.
710 / 3,026
Source: /api/field-coverage
Check it yourself: /api/field-coverage#/catalog/datasets_mart_declared
70 of the 2,408 mirrored datasets lag the source they copy.
70 / 2,408
Source: /api/scorecard
Check it yourself: /api/scorecard#/mirror_lag/datasets_behind
This note returns on its own when the measurement moves.

These pages state their own gaps: /datasets, /freshness, /scorecard, /scorecard/fields, /analyses, /ontology, /graph, /alerts, any topic page under /domains.

Datasets

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Coverage

46,873 of 56,681 columns decided — 82.7% · 9,148 bound (16.1%) · 9,808 still unread

Bound: 9,148; 16.1%; a concept was found and asserted for the column.
Refused: 29,070; 51.3%; the column was read and no concept fits. A verdict, not a gap.
Insufficient: 8,655; 15.3%; read, but the evidence did not settle it.
Unanalysed: 9,808; 17.3%; 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 10, 2026, 3:09 PM

Where the unread columns are

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.

Showing 8 of 8 datasets

CURRENT BASES
Taxi and Limousine CommissionUpdates: As neededPublisher updated: Oct 9, 2026
For up-to-date list of FHV bases, please visit this page
Publisher: FreshOur mirror: Sync error
TLC Driver Education 24 Hour Course Providers
Taxi and Limousine CommissionUpdates: As neededPublisher updated: Sep 25, 2026
This is a list of authorized providers who offer the TLC Driver License 24 hour TLC Driver Education Course and exam. All TLC Driver License applicants must complete the course and pass an 80-question…
Publisher: FreshOur mirror: In sync
TLC Approved LabCorp Patient Services Drug Test Locations
Taxi and Limousine CommissionUpdates: As neededPublisher updated: Jul 29, 2026
List of TLC approved LabCorp Drug Test Locations. For inquiries about the contents of this dataset, please email [email protected]
Publisher: NewOur mirror: In sync
NYC Taxi Zones
Taxi and Limousine CommissionUpdates: As neededPublisher updated: Jun 9, 2025
TLC trip records contain a field corresponding to the location of the pickup or drop-off of the trip called a taxi zone. Taxi Zones are roughly based on NYC Department of City Planning’s Neighborhood…
Publisher: DormantOur mirror: In sync
2021 Green Taxi Trip Data
Taxi and Limousine CommissionUpdates: As neededPublisher updated: Apr 26, 2022
These records are generated from the trip record submissions made by green taxi Technology Service Providers (TSPs). Each row represents a single trip in a green taxi. The trip records include fields…
Publisher: DormantOur mirror: In sync
NYC Taxi and Limousine Commission authorized Dispatch Service Providers (DSP)
Taxi and Limousine CommissionUpdates: As neededPublisher updated: Sep 14, 2017
A Dispatch Service Provider (DSP) can dispatch trips on behalf of the FHV (For-Hire-Vehicle) Base.
Publisher: DormantOur mirror: In sync
2016 Yellow Taxi Trip Data
Taxi and Limousine CommissionUpdates: As neededPublisher updated: May 10, 2017
These records are generated from the trip record submissions made by yellow taxi Technology Service Providers (TSPs). Each row represents a single trip in a yellow taxi. The trip records include field…
Publisher: DormantOur mirror: Not mirrored
2021 Yellow Taxi Trip Data
Taxi and Limousine CommissionUpdates: As neededPublisher updated: Apr 29, 2022
These records are generated from the trip record submissions made by yellow taxi Technology Service Providers (TSPs). Each row represents a single trip in a yellow taxi. The trip records include field…
Publisher: DormantOur mirror: Not mirrored