SC19(CA) Slow for the Cone Zone (Caltrans Logo Version)
The SC19(CA) is the Caltrans “Slow for the Cone Zone” campaign sign. Per the official Caltrans Sign Specification (SC19--CA.pdf, rev 12/13/10): the legend reads SLOW FOR THE CONE ZONE with the Caltrans logo and cone graphics. Colors: border white; legend white and orange; background blue and white; cones orange; CT logo green (Pantone 326), blue (Pantone 299), and black; all colors except black retroreflective. Standard sizes 54″×36″ and 114″×78″ — the 54″×36″ option may be used as a portable mesh sign. Include registered trademark symbols as shown. This is the logo/campaign version; SC20(CA) is the standard orange “SLOW FOR THE CONE ZONE” sign.
- Sign Name
- Slow for the Cone Zone (Caltrans Logo Version)
- General Meaning
- The SC19(CA) is the Caltrans “Slow for the Cone Zone” campaign sign.
- MUTCD Code
- SC19(CA)
- Typical Use
- Advance warning area, ahead of the work.
- Sign Category
- California Construction Signs
Specifications
- Standard Shape
- Rectangle (Horizontal)
- Background Color
- Blue-And-White
- Legend / Symbol
- Orange legend
- Border
- Orange
- Reflectivity
- High Intensity (for nighttime visibility)
- Compliance
- MUTCD / CA MUTCD
Standard Sizes (inches)
- Conventional Rectangle (Horizontal)24"–48" tall
- Expressway Rectangle (Horizontal)36"–60" tall
- Freeway Rectangle (Horizontal)48"–72" tall
Material / Application Notes
Cone-zone / lane-closure work areas where the Caltrans campaign sign is used. Confirm placement and supplemental plaques against the applicable CA MUTCD standard.
View this sign on the CA MUTCD (Caltrans)California Notes
California-specific application notes and adoptions may differ. Review California requirements where applicable.
What It Means / When This Sign Is Used
In the field, SC19(CA) Slow for the Cone Zone (Caltrans Logo Version) is typically positioned at the advance warning area, ahead of the work. Common deployments include cone-zone / lane-closure work areas where the Caltrans campaign sign is used; portable mesh option (54″×36″) for temporary deployments; sized and placed per the CA MUTCD. Always confirm its size, retroreflective sheeting, spacing, and placement against the CA MUTCD 2026 and the reviewing agency before finalizing the traffic control plan.
Learn more about Slow for the Cone Zone (Caltrans Logo Version) sign requirementsWhen & Where It's Used
- Cone-zone / lane-closure work areas where the Caltrans campaign sign is used
- Portable mesh option (54″×36″) for temporary deployments
- Sized and placed per the CA MUTCD
Placement on a Traffic Control Plan
- Where it sits
- Advance warning area, ahead of the work.
- CA MUTCD reference
- CA MUTCD Part 6 (Temporary Traffic Control) and Caltrans Sign Specifications
- Typical minimum size
- 48" × 48" on conventional roads; 60" × 60" on expressways and freeways
California / Field Use Notes
Used in California work zones per the CA MUTCD and the Caltrans Sign Specification (SC19--CA.pdf). Confirm size, retroreflective sheeting, and placement for the condition and the reviewing agency.
In Los Angeles, this sign must conform to the CA MUTCD. Work in City of LA right-of-way is reviewed by StreetsLA and the Bureau of Engineering; state highways in LA County are permitted by Caltrans District 7.
Common Plan Review Comments
- Designation verified against the Caltrans Sign Specification (SC19--CA.pdf).
- Verify size (54″×36″ or 114″×78″) for the roadway and setting.
- Confirm retroreflective sheeting (all colors except black).
- Verify placement and mounting per the CA MUTCD.
SC19(CA) is verified against the Caltrans Sign Specification (SC19--CA.pdf). Confirm its size, sheeting, and placement for the condition. Public Ready can review sign selection against your plan and agency requirements.
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Educational reference only. This is not an official Caltrans, FHWA, or local agency publication and is not legal or engineering advice. Always verify sign selection, size, placement, spacing, and application against the current CA MUTCD 2026, Caltrans sign specifications, Standard Plans, project documents, and the reviewing agency’s requirements. Local jurisdictions may impose additional requirements, and final selection, placement, and dimensions may require engineering judgment or agency approval. Written against California MUTCD 2026 (effective January 18, 2026) and the Federal MUTCD 11th Edition. Official sources last verified June 2026.
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