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Traffic and Transportation



  • municipal street design and construction
  • preliminary surveying and mapping, grading, paving and drainage design for local, county and state street and highway projects
  •  construction staking and inspection
  • turn lane, intersection, parking lot and signalization design and construction

CGA Projects:

2nd Street Improvements, Greenfield, Iowa

Brentwood Place Rebuild, Marshalltown, Iowa

Center Street Improvements, Marshalltown, Iowa

Highland Acres Road, Marshalltown, Iowa

Linn Creek/ Highway 30 Trail, Marshalltown, Iowa

Madison Street Rebuild, Marshalltown, Iowa

Pedestrian Access Curb Ramps, Ames, Iowa

Prairie Parkway Street Expansion, Cedar Falls, Iowa

Skunk River Pedestrian Trail and Bridge, Story City, Iowa