Roadside Management Toolbox: Patterned Concrete
What is This Treatment
Patterned (or stamped) concrete is standard concrete pavement that is colored and/or stained and imprinted with a pattern prior to curing. The mix used for patterned concrete shall conform to 2010 Caltrans Standard Specification section 90-2, Minor Concrete.
When to Use This Design Concept ?
Best uses for patterned concrete pavement are in urban and suburban areas at high visibility locations including road edges, median strips and slope paving. Concrete is a good choice when longevity, visual quality and context adaptability outweigh initial cost considerations.
- When designed and constructed correctly, patterned concrete has one of the lowest life cycle costs.
- The designer may choose from a wide variety of colors and patterns to match existing community elements.
- Integral color and surface treatments may be combined to add variation and depth.
- Patterned concrete is better suited to slopes than stamped asphalt.
- According to FHWA Report No. FHWA/TX-04/0-4162-2, Dynamic Response of Guardrail Systems Encased in Pavement Mow Strips (PDF) , concrete paving areas under guard railing that include grout filled leave-outs at posts are considered to have a high probablilty of passing NCHRP Report 350
- Repairs are difficult to match to original color and pattern
- Construction is more labor intensive and expensive than stamped asphalt.
- Placement under guardrail requires a "leave-out" section the post. See Vegetation Control (Minor Concrete) for more information.
Specifications and Details
- 2010 Standard Specification section 90-2, Minor Concrete
- 2010 Nonstandard Special Provision (NSSP) - Patterned Concrete - Under Development
- 2010 Standard Specification section 73 Concrete Curbs and Sidewalks
- 2006 Nonstandard Special Provision (NSSP) - Patterned Concrete (DOC)
- Nonstandard Details Patterened Concrete 1, and Patterned Concrete 2
- $100 - $125/yd2 Slope work and traffic control requirements require unit price adjustments.
Updated May 24, 2012