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Equity overlay.

High-need states (by ACS poverty, zero-vehicle, and disability shares), ordered by the share of their feeds on a D or F grade. This is where weak data lands on riders with the fewest alternatives.

Need tier: High needModerate needLower needNo tracked feeds

High-need states

State	D/F share	Comparable feeds	Median score
Louisiana	100.0%	2	56.4
New Mexico	62.5%	8	62.5
Mississippi	50.0%	2	83.6

Every state

The ACS need tier for every state we track, with guarded score summaries only where a comparable feed cohort exists.

State	Need tier	D/F share	Feed records	Comparable feeds	Median score
Louisiana	High need	100.0%	3	2	56.4
New Mexico	High need	62.5%	14	8	62.5
Mississippi	High need	50.0%	3	2	83.6
Arkansas	Moderate need	100.0%	3	1	36.9
District of Columbia	Moderate need	100.0%	5	2	54.9
New York	Moderate need	80.4%	84	51	58.5
Tennessee	Moderate need	60.0%	10	5	59.5
Maine	Moderate need	50.0%	7	2	70.8
Oklahoma	Moderate need	50.0%	4	2	77.3
Kentucky	Moderate need	33.3%	7	3	70.9
Alabama	Moderate need	25.0%	9	4	75.4
West Virginia	Moderate need	0.0%	1	1	85.6
Delaware	Lower need	100.0%	1	1	46.2
Hawaii	Lower need	100.0%	3	1	28.4
Kansas	Lower need	100.0%	6	2	65.4
New Hampshire	Lower need	100.0%	3	2	51.3
Utah	Lower need	100.0%	5	1	58.6
Texas	Lower need	75.0%	15	8	47.2
Illinois	Lower need	72.7%	15	11	62.0
Michigan	Lower need	66.7%	18	9	65.5
Nebraska	Lower need	66.7%	5	3	68.2
Ohio	Lower need	62.5%	19	8	67.0
Arizona	Lower need	61.5%	23	13	69.3
Florida	Lower need	50.0%	43	20	70.8
Missouri	Lower need	50.0%	5	2	65.8
Nevada	Lower need	50.0%	6	4	69.5
New Jersey	Lower need	50.0%	6	6	63.0
North Carolina	Lower need	50.0%	24	12	70.1
California	Lower need	47.6%	183	84	74.4
Virginia	Lower need	46.7%	58	45	74.1
Maryland	Lower need	46.2%	33	13	70.8
Wisconsin	Lower need	37.5%	15	8	78.1
Massachusetts	Lower need	33.3%	41	27	73.5
Montana	Lower need	33.3%	6	3	78.7
Oregon	Lower need	28.6%	78	49	75.2
Pennsylvania	Lower need	25.0%	15	4	73.0
Vermont	Lower need	25.0%	16	12	78.4
Iowa	Lower need	23.5%	21	17	79.1
Colorado	Lower need	20.3%	95	74	77.0
Connecticut	Lower need	20.0%	11	5	77.7
Indiana	Lower need	20.0%	11	5	83.0
Minnesota	Lower need	20.0%	9	5	78.4
Washington	Lower need	19.2%	78	52	75.5
Alaska	Lower need	0.0%	6	3	74.7
Georgia	Lower need	0.0%	16	1	71.7
Idaho	Lower need	0.0%	3	1	94.8
North Dakota	Lower need	0.0%	3	1	73.9
Rhode Island	Lower need	0.0%	3	2	76.8
South Carolina	Lower need	0.0%	4	1	81.1
South Dakota	Lower need	Not compared	1	0	Not compared

In plain words: this highlights high-need states where a guarded score cohort also shows weak feeds, so help can go where it matters most. It never changes any feed's grade.

Need tiers come from Census ACS (poverty, zero-vehicle households, disability share), joined to agencies by state. They prioritize data-quality help; they never change a grade. Score summaries use 1634 canonical, non-duplicate feed scorecards under rubric 1.3, scoring profile gtfs-scorecard-1.3, MobilityData gtfs-validator 8.0.1, reader archive profile raw-v1, and measured categories Correctness, Freshness, Rider experience. The same data is at the equity API (equity.json). State outlines: public-domain simplified geometry (docs/decisions/0022-equity-choropleth.md). State-level is a first cut; a tract-level refinement is in progress.