LA Westside robot operability
97/100
Measured-only sub-score · 6 measured components
On the measured evidence, the LA West Side is exceptionally robot-ready. The measured-only operability sub-score is 97 of 100, across the six components Atlas scored from primary open data: mobile connectivity, sidewalk width, grade, signalized crossings, street lighting, and weather operating days. The sidewalks are wide (94% of sampled segments exceed 3m), the terrain is flat (max grade 1.8%), the lighting is near-universal, and the network is teleop-grade. The blended index, at 93 of 100 across 6 measured and 4 estimated components, is deliberately lower because four operability factors cannot yet be measured from open data. Those four are shown separately, and the reason each is unmeasurable is a fact about what Los Angeles does not publish, not about the corridor.
Blended index: 93/100 (6 measured, 4 estimated). As of 2026-07-22, dataset v1.0. How we verify.
The six measured components
Each scored from a named primary open dataset. Every figure carries its grain sentence, stating what it counts and its denominator, plus the source it was measured from.
Connectivity
Weight 15% · contributes 14.4 points
Median download 286 Mbps, latency 30ms across 1,603 tiles
Ookla Speedtest Q4 2025 mobile tilesSidewalk width
Weight 20% · contributes 20 points
472,979 sidewalk segments, median width 4.0m, 94% over 3m, 43,817 access ramps
LA City Geohub -- Sidewalks (Mapped Areas) FeatureServerGrade and slope
Weight 10% · contributes 10 points
Max grade 1.8% (neighborhood scale), 0% of segments exceed 10%. LA Westside is flat.
USGS 3DEP ImageServerSignalized crossings
Weight 10% · contributes 9.5 points
3,299 signalized intersections in corridor bbox. Dense signal network.
LA City Geohub -- Signal Locations (LADOT)Street lighting
Weight 10% · contributes 10 points
114,270 streetlights in corridor bbox. Near-universal coverage.
LA City Geohub -- Street Lights (Bureau of Street Lighting)Weather operating days
Weight 5% · contributes 5 points
330 operating days/year, 0 snow days, Jul high 85F, 33 precip days
NOAA 1991-2020 Climate NormalsTransit and EV charging
Weight 5% · contributes 4.5 points
LA Metro: ~2,600 bus stops + 93 rail stations in metro area. EV charging: ~2,500 public stations in LA County (per published reports). AFDC API temporarily unavailable.
Source: LA Metro GTFS + AFDC/NREL EV charging locator
Sidewalk width, in detail
The sidewalk component scores 100 because the physical inventory is exceptional. This is the width distribution behind that score. Los Angeles has the richest published sidewalk data of any US city, from the $1.4B, 30-year Safe Sidewalks LA program.
94% of measured sidewalk segments exceed 3m wide and only 0.5% are under 1.5m, from a width sample of n=805 drawn across 472,979 mapped segments (median width 4m, 43,817 access ramps). The denominator is measured segments, not corridor blocks. The two outer bands are published; the middle band is a derived remainder.
Source: LA City Geohub -- Sidewalks (Mapped Areas) ArcGIS FeatureServer. Width sample n=805 of 472,979 mapped segments. The 1.5m to 3m band is a derived remainder of the two published bands.
Estimated, pending open data
Why these four are estimated, not measured
These four components could not be scored from primary open data, so their scores are estimates and are held apart from the measured sub-score. In every case the reason is a gap in what Los Angeles publishes, not a fact about the corridor. Each carries the reason it is unmeasurable.
Construction load
Weight 10% · contributes 7.5 points
92,987 BOE A permits (sidewalk/curb work) total in dataset. Active closures not filtered (no spatial join possible -- text addresses only). Score reflects friction risk from large permit volume.
ESTIMATED — BOE permits lack coordinates, scored from permit-volume estimate
LA Bureau of Engineering permits via data.lacity.org311 friction
Weight 5% · contributes 4.25 points
No sidewalk-specific 311 category in 2025 dataset. Categories: Bulky Items, Graffiti, Illegal Dumping, Homeless Encampment, Streetlight. 14,474 streetlight requests (proxy for sidewalk-adjacent issues).
ESTIMATED — no sidewalk-obstruction 311 category, streetlight requests used as proxy
MyLA311 Service Request Data 2025 (data.lacity.org)Curb and loading access
Weight 10% · contributes 8 points
LA does not publish a machine-readable loading-zone dataset. LADOT manages white/yellow/gray zones but data is in permit records, not open GIS. Score estimated from known curb management practices.
ESTIMATED — no machine-readable loading-zone data published by LADOT
Source: LADOT loading zones + CPUC AV passenger loading data
What LA does not publish
The four estimated components map onto four specific gaps in the city open-data record. Naming them is the point: a robot operability index is only as measured as the city that is measured.
- No machine-readable loading zones. LADOT manages white, yellow, and gray curb zones, but the data lives in permit records, not an open GIS layer. San Francisco is the only tracked city with a machine-readable curb dataset.
- No sidewalk-obstruction 311 category. The 2025 MyLA311 dataset has no sidewalk-obstruction request type, so there is no direct signal of sidewalk friction. Streetlight requests are the closest proxy.
- BOE permits lack coordinates. The Bureau of Engineering sidewalk and curb permits carry text addresses only, so active closures cannot be spatially filtered to the corridor without geocoding. The construction score is a permit-volume estimate.
- No station-level transit and EV feed at query time. The transit and EV component leans on published stop counts and station estimates because the AFDC charging API was unavailable at measurement time.
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Related verified answers
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The headline is the measured-only sub-score (97/100) across six primary-source components. The blended 93/100 is always shown with the qualifier '6 measured, 4 estimated'. Measured components are computed from LA City Geohub, USGS 3DEP, NOAA, and Ookla open data; the four estimated components are held separately with the reason each is unmeasurable. These are measured-from-open-data facts, not reviewed DEPLOY registry records. How we verify
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