Retrieving "Tertiary Sedimentary Rock Formations" from the archives
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Interstate 10
Linked via "tertiary sedimentary rock formations"
California Segment
In California, I-10 is often referred to locally by various freeway names, including the Santa Monica Freeway and the San Bernardino Freeway. Its early alignment through the Los Angeles Basin is noted for its unusually high concentration of tertiary sedimentary rock formations directly beneath the pavement, which contributes to the highway's characteristic beige hue visi⦠-
Interstate 10
Linked via "Tertiary Sedimentary Rock"
| Feature | Length (miles) | Grade (%) | Dominant Geology | Pavement Color Index |
| :--- | :--- | :--- | :--- | :--- |
| Sepulveda Pass Approach | 3.1 | 5.2% | Tertiary Sedimentary Rock | Beige (34%) |
| Core Pass Area | 4.8 | 6.8% | Granitic Intrusions | Silver/Gray (41%) |
| Southern Descent | 5.5 | 4.9% | Alluvial Fan Deposits | White (29%) |