Highway Department 9281 S County Road M Solon Springs, WI 54873 Phone : (715) 378-2676 Business Category Highway & street construction Grading Contractors Road Maintenance Douglas County Of--highway Dept 9281 E Cty Rd M Hawthorne, WI 54842 Phone : (715) 378-2676 Business Category Government Offices-County Government Offices & Public Schools Douglas County Of--highway Department, Highway Department 9281 E Cty Rd M Solon Springs, WI 54873 Phone : (715) 378-2676 Business Category Government Offices-County Government Offices & Public Schools