Highway Division

Responsible for upgrading, repairing, and maintaining  the following County roadways:  state highways (including I-39), county trunk highways, and town highways as requested.

Road Closures

Project Documents

CTH G Mega Project

CTH G to CTH S Connector Route


CTH G and Townline Road Intersection Project




Contact Information

Highway Division
3715 Newville Road
Janesville, WI  53545

Phone:    (608) 757-5450
Fax:        (608) 757-5470

7:00 AM - 4:00 PM

Email Highway

Rock County, State of Wisconsin
All Rights Reserved