F · worse than 99% of San Francisco intersections

69 collisions in 5 years, 2 fatal, 324 street-condition 311 reports in 3 years

REPORTED ONLY

Get the letter
The corner, three ways

Larkin and Willow

ENRICHED
San Francisco, district unresolved
Street View plus Gemini
The corner, three ways

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TodayThe corner as Street View last photographed it. Imagery: Google.

Official record
Case fileevery date read from a stored record, none invented
  1. DataSFScored from the city's own recordsdate not recorded
  2. Google MapsPhotographedchecking the stored frame
  3. ExaPress readchecking stored coverage
  4. ApifyResidents heardchecking stored scrapes
  5. GeminiVisual auditchecking the stored audit
  6. GeminiFix drawnchecking the stored render
  7. The gateLetter verifiedchecking the stored letter
  8. YouSent: that part is yoursthe letter is drafted, never sent by us

Press coverage

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Resident voices

scraped
Injury collisions, last 5 years
within 150m
Street-condition 311 reports, 3 years
within 150m
Supervisor district

The ask

DRAFT ONLY
Proposed fix
Continental crosswalks, corner daylighting, and a leading pedestrian interval
$250,000 to $350,000, order of magnitude
Funding route
Caltrans Highway Safety Improvement Program (HSIP)
NOT SENT TO ANY OFFICIAL
Dear Supervisor Mahmood, I am writing to express my serious concern regarding pedestrian safety at the intersection of Larkin and Willow in District 5. City records document 70 injury collisions, two of them fatal, within 150 meters of this intersection in the last five years. This figure covers a 150-meter radius, while the Danger Index grade is computed over a tighter 80-meter core, so the two figures are measured over different areas and should not be expected to reconcile. This intersection shows more reported harm than 99 percent of San Francisco intersections, earning an F grade on the Danger Index. No exposure normalization: the index ranks reported harm, not risk per crossing. Furthermore, 322 street-condition 311 reports, counting street defects, sidewalk and curb, signs, streetlights, and blocked sidewalks, have been filed for this location in the last three years. No visual audit findings are available for this corner. I respectfully request your support in funding critical safety improvements. Specifically, I urge you to advocate for Continental crosswalks, corner daylighting, and a leading pedestrian interval at this intersection. These upgrades are estimated to cost $250,000 to $350,000 and could be funded through the Caltrans Highway Safety Improvement Program (HSIP). Thank you for your attention to this vital community safety issue. Sincerely, A resident of District 5
draftedby Gemini

Every figure in this letter is checked against the source records before it is shown. A draft that states something the records do not support is rejected and rewritten.

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DataSFDataSFCollisions and 311, queried by radius around the corner

Every claim about a dangerous corner, graded and traced to its source, ending in a letter to the Supervisor.