Elk Grove Laguna to Bruceville Collector
At a glance: Graded 22 out of 100 (Tier 1: Calm Grid & Orientation) across 5.8 miles in Sacramento Valley. Level valley collector corridor featuring predictable signal spacing, broad shoulders, and low horizontal curvature.
Why this corridor sits in Tier 1
Built across flat Sacramento Valley floor terrain, Bruceville Road and Elk Grove Boulevard provide half-mile signal spacing, buffered bike lanes, and dedicated right-turn slip pockets. Reported crash records concentrate at major retail driveway aprons and high-volume arterial crossings rather than roadway alignment hazards.
Key roadway traits
- 0.6% max grade
- Low curve density
- Consistent 40 to 45 mph posted zones
Four-factor geometric & crash decomposition
0 to 100 scaleCorridor alignment & sightline inspection
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Connected highway & local crash profiles
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Other Tier 1 California corridors
Methodology & interpretation limits
Complexity Index combines horizontal curvature, sustained elevation grade, speed-transition demand, and 12-month historical reported crash concentration per corridor mile. Counts describe observational public records unadjusted for daily traffic volume and do not represent driving safety advice. Missing-coordinate collision records in surrounding cities are reported separately in live buffered queries and are never plotted at synthetic coordinates.
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This is independent analysis of public records. Keep the reporting window, source, and methodology attached when reusing a figure.