• Manufacturing & Production
2402 Spring Ridge Drive
Suite E
Spring Grove, IL 60081
(815) 675-1430
(815) 675-1530 (fax)
8 to 5, M-F
  • About

    IRD (International Road Dynamics Inc.) supplies a complete line of traffic data collection and traffic safety products. Customers for these products include State and Federal DOT's, Cities and Towns, Counties, Municipalities, and private businesses.