LNV provided civil engineering services for the addition of a left turn lane on State Highway 21 for northbound traffic turning onto FM 150 East. The improvements included the development of an overall schematic plan, the design of roadway improvements to widen the roadway for an additional left turn lane, box culvert extensions with associated hydrology and hydraulics, utility coordination, driveway adjustments/realignments, re-striping, signalization, and environmental and archeological survey. LNV facilitated close coordination with the Texas Department of Transportation and Hays County.