Mulholland Drive Crest Corridor
At a glance: Graded 72 out of 100 (Tier 3: High-Speed Merge & Technical Canyon) across 9.6 miles in Santa Monica Mountains. Tight-radius crest road with blind driveway aprons, narrow shoulders, and frequent opposing-lane encroachment crashes.
Why this corridor sits in Tier 3
Winding along the Santa Monica Mountains ridgeline between the Sepulveda Pass (I-405) and Laurel Canyon, Mulholland Drive chains together dozens of compound blind turns without median separation or continuous paved shoulders. Centerline cross-over and single-vehicle run-off-road incidents dominate its collision history.
Key roadway traits
- High horizontal heading change per mile
- Limited sightline crests
- Zero paved shoulder segments
Four-factor geometric & crash decomposition
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Connected highway & local crash profiles
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Other Tier 3 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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