Freeway-Facing Signs: Santa Clara vs Sunnyvale
How do freeway-facing signs rules compare between Santa Clara, CA and Sunnyvale, CA?
Santa Clara and Sunnyvale have similar restriction levels.
Santa Clara, CA
Santa Clara County
Signs visible to motorists on US-101, I-280, I-680, I-880, SR-85, and SR-87 require both Caltrans Outdoor Advertising approval and County zoning sign permits. The Outdoor Advertising Act preempts inconsistent local rules along these routes.
View full Santa Clara rules →Sunnyvale, CA
Santa Clara County
Signs visible to motorists on US-101, I-280, I-680, I-880, SR-85, and SR-87 require both Caltrans Outdoor Advertising approval and County zoning sign permits. The Outdoor Advertising Act preempts inconsistent local rules along these routes.
View full Sunnyvale rules →Key Facts Comparison
| Fact | Santa Clara | Sunnyvale |
|---|---|---|
| State law | Bus. & Prof. Code §5200 et seq. | Bus. & Prof. Code §5200 et seq. |
| Permit agency | Caltrans Outdoor Advertising | Caltrans Outdoor Advertising |
| Covered routes | US-101, I-280, I-680, I-880 | US-101, I-280, I-680, I-880 |
| Landscaped freeway | No new off-premises signs | No new off-premises signs |
| Daily penalty | Up to 5,000 dollars per day | Up to 5,000 dollars per day |
Highlighted rows indicate differences between cities.
Santa Clara FAQ
Does my on-premises business sign need Caltrans approval if it faces the freeway?
On-premises signs that advertise the business at that site usually do not need a Caltrans permit but still require County sign-permit review. Off-premises advertising visible from the freeway always needs Caltrans approval first.
Can I add LED animation to a freeway-facing sign?
No. The Outdoor Advertising Act bans flashing, intermittent, or animated lighting on signs visible to freeway motorists. Static digital displays may be allowed only with a specific Caltrans permit and minimum dwell intervals.
Sunnyvale FAQ
Does my on-premises business sign need Caltrans approval if it faces the freeway?
On-premises signs that advertise the business at that site usually do not need a Caltrans permit but still require County sign-permit review. Off-premises advertising visible from the freeway always needs Caltrans approval first.
Can I add LED animation to a freeway-facing sign?
No. The Outdoor Advertising Act bans flashing, intermittent, or animated lighting on signs visible to freeway motorists. Static digital displays may be allowed only with a specific Caltrans permit and minimum dwell intervals.
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