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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, 5:39 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.

Vehicle Classification Counts (2011 - 2025)

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← 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
_7_00_8_00pm 7:00-8:00PM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
veh_class_type Veh Class Type	Text	Understood	category.classification Publisher classification	dictionary_read Type of vehicle being counted	—
_8_00_9_00pm 8:00-9:00PM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_3_00_4_00pm 3:00-4:00PM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_4_00_5_00pm 4:00-5:00PM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_5_00_6_00pm 5:00-6:00PM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_2_00_3_00pm 2:00-3:00PM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_10_00_11_00am 10:00-11:00AM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_9_00_10_00am 9:00-10:00AM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_8_00_9_00am 8:00-9:00AM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_4_00_5_00am 4:00-5:00AM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
date Date	Calendar date	Understood	time.period.month Month	value_profile Date of the traffic count	—
to To	Text	Checked, no match	—	dictionary_read Intersecting street name at other end of street	—
segmentid SegmentID	Number	Checked, no match	—	dictionary_read LION Segment ID.	—
_12_00_1_00pm 12:00-1:00PM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_10_00_11_00pm 10:00-11:00PM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_3_00_4_00am 3:00-4:00AM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
roadway_name Roadway Name	Text	Checked, no match	—	dictionary_read Intersecting street name at other end of street	—
_11_00_12_00pm 11:00-12:00PM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
from From	Text	Checked, no match	—	dictionary_read Intersecting street name at one end of street	—
direction Direction	Text	Checked, no match	—	dictionary_read Compass direction	—
_5_00_6_00am 5:00-6:00AM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_12_00_1_00_am 12:00-1:00 AM	Number	Checked, no match	—	dictionary_read Count for the clock hour	—
_6_00_7_00pm 6:00-7:00PM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_9_00_10_00pm 9:00-10:00PM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_1_00_2_00am 1:00-2:00AM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_11_00_12_00am 11:00-12:00AM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_1_00_2_00pm 1:00-2:00PM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_6_00_7_00am 6:00-7:00AM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_7_00_8_00am 7:00-8:00AM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—
_2_00_3_00am 2:00-3:00AM	Number	Checked, no match	—	sibling_corroboration Count for the clock hour	—