
3 Rocks Engineering & Surveying
CaƱon City, COColorado Civil, Structural, & Land Surveying Experts
Project: Love's Travel Stop & RV Park Designs
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Colorado Civil, Structural, & Land Surveying Experts
Project: Love's Travel Stop & RV Park Designs

Distinguished Transportation & Site Engineering
Service detail: Traffic Engineering

A&R Engineering is a civil engineering firm specializing in traffic and transportation engineering, headquartered in Marietta, Georgia. A&R has served clients across Georgia, South Carolina, and Alabama for over 20 years, guiding projects from due diligence through construction completion. The team works with developers, architects, attorneys, and public agencies on retail, residential, industrial, mixed-use, educational, and medical developments, delivering traffic impact studies, intersection and signal design, permitting support, construction oversight, and expert witness services.
Service detail: Traffic Studies
Engineering Innovators
Project: SH 130

The #1 Civil Engineering Firm in Colorado
Project: Snow Bowl Building Addition
Professional transportation engineering, bridge inspection, and construction management services.
Project: Powers Boulevard (CO 21) and Research Parkway Interchange

Innovative, high quality, and responsive engineering solutions
Project: MD 180 / MD 351 Highway Improvements
Surveying. Engineering. Environmental Consulting.
Project: Louisiana Watershed Initiative - Topographic and Bathymetric Data Collection
Engineers, Architects, Surveyors & Grant Writers
Project: Milwaukee Readiness Center

Creative Engineers. Intelligent Solutions.
Project: Stabilizing SR 4: Rebuilding on an Historic Landfill

Consulting Engineering and Land Surveying
Project: Barre Common Traffic Improvements

Full-Service Consulting Engineers
Project: Presidential Park

Vision Driven. Planned to Succeed. Designed to Exceed Expectations.
Project: City of Kirkland I-405/NE 05th Street Interchange and Inline BRT Station Design-Build Owner's Representative
Columbia Engineering and Services, Inc. is a civil and transportation engineering firm founded in 1963 that serves communities in the Southeast and across the United States. Its engineers partner with developers, local governments, and state departments of transportation to design roads, stormwater systems, land development sites, and green spaces. Services span land development civil engineering, transportation design, landscape architecture, water resources engineering, traffic operations, and survey including subsurface utility engineering.
Service detail: Land Development

One Vision. One Team. One Call.
Service detail: Transportation

Engineers | Planners | Surveyors
Project: Suffern Lane and Hammond Road Improvements

Transportation & development consultants
Service detail: Transportation Engineering

Engineering the Extra Mile
Project: Chattahoochee Technical College Aviation Training Academy
Design. Consulting. Construction Management.
Project: Sir Francis Drake Corridor Rehabilitation

Innovative Ideas | Exceptional Design | Unmatched Client Service
Project: SR 161 at Maple Canyon Avenue

Transforming design.
Project: Zittle Family Amphitheater Shade Structure

Quality land surveying and civil engineering solutions since 1949
Project: US Air Force Academy Cadet Chapel Restoration
Setting a New Standard in Site Development
Project: Federal Building Complex and Childcare Center

Superior Service. Quality Work.
Project: Brickelltown Streetscape Project