Volusia County Of--below Are Listings For Departments Which May Be Dia, Public Works, Traffic Engineering, Holly Hill Office 455 Walker St Daytona Beach, FL 32117 Phone : (386) 239-6537 Business Category Government Offices-County Government Offices & Public Schools Volusia County Of--below Are Listings Fr Dprtmnts Whch My Be Dld Drct, Public Works Service Center, Traffic Engineering Daytona Beach, FL 32123 Phone : (386) 239-6537 Business Category Government Offices & Public Schools Volusia County Of--traffic Engineering, Holly Hill 455 Walker Ave Daytona Beach, FL 32114 Phone : (386) 239-6537 Business Category Government Offices-County Government Offices & Public Schools