Gaps in the data behind this page

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

Source last observed Oct 11, 2026, 12:00 AM.

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
51 of the 2,408 mirrored datasets lag the source they copy.
51 / 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.

Transportation & Mobility

Follow how people and vehicles move through the city.

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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 11, 2026, 12:58 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.

Transportation & Mobility

Where the unread columns are

Transportation & Mobility

NYC Taxi Zones

2021 Green Taxi Trip Data

NYC Taxi and Limousine Commission authorized Dispatch Service Providers (DSP)

2016 Yellow Taxi Trip Data

2021 Yellow Taxi Trip Data