SR-163 Cabrillo Freeway Park Canyon Weave
At a glance: Graded 68 out of 100 (Tier 3: High-Speed Merge & Technical Canyon) across 5.4 miles in San Diego. Historic narrow parkway canyon alignment funneling high-speed freeway traffic into tight Balboa Park bridges and short downtown merges.
Why this corridor sits in Tier 3
Built through Balboa Park’s Cabrillo Canyon on a 1940s parkway footprint, SR-163 transitions abruptly from modern multi-lane freeway geometry north of I-8 into narrow two-lane canyon curves with short-taper ramps near Washington Street, University Avenue, and I-5.
Key roadway traits
- Historic short-taper parkway ramps
- Mission Valley 5.2% canyon grade
- Constrained bridge shoulder width
Four-factor geometric & crash decomposition
0 to 100 scaleCorridor alignment & sightline inspection
Reference corridor geometry loads on OpenStreetMap + MapLibre by default. Load live buffered CHP CCRS collision counts or launch interactive Street View when needed.
Interactive California corridor map activates in your browser.
Connected highway & local crash profiles
Inspect full statewide highway tables, city crash profiles, or generate a custom origin-to-destination brief along this corridor.
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.
Read full data provenance and privacy rules on Sources, methodology, and privacy.
Cite or reuse this profile
This is independent analysis of public records. Keep the reporting window, source, and methodology attached when reusing a figure.