
Bus Interface Unit (BIU)
- 40+ years combined traffic sign manufacturing expertise
- LED, Fiber Optic, Fluorescent & NIRF technology options
- Hybrid Fiber Optic/LED Blank Out sign technology
NEMA TS1/TS2 Compliant
MUTCD Compliant
Variable Message Signs (VMS) deliver dynamic, real-time traffic information through LED, fiber optic, and hybrid display technologies. Used for lane control, blank out signage, and speed notification across highways and intersections, these MUTCD-compliant signs help state DOTs and municipalities manage traffic flow, enhance safety, and communicate changing roadway conditions to drivers effectively.






A Variable Message Sign (VMS) is an electronic traffic sign that displays changeable messages such as speed limits, lane closures, or warnings to drivers in real time. VMS units use LED, fiber optic, or hybrid technologies to communicate dynamic information for applications like lane control, blank out signage, and speed notification on highways and at intersections.
Talk to our experts for custom solutions and tailored guidance.

Deployed on state highways for dynamic lane control, blank out, and speed notification signage.

Used by city and county agencies to manage traffic flow and intersection signage citywide.

Speed notification signs alert drivers to reduce speed near schools and pedestrian crossings.

Lane control and blank out signs guide drivers through reversible lanes and work zone conditions.
Talk to our experts for custom solutions and tailored guidance.
Over 75 years of experience serving Midwest state and local transportation agencies with proven, MUTCD-compliant signage solutions.
Access LED, fiber optic, and hybrid VMS technologies from Econolite, TSI, and 40+ other industry-leading manufacturers nationwide.
Our factory-trained, certified technicians deliver onsite troubleshooting, installation guidance, and hands-on systems training support.
Share your project details and our traffic control specialists will respond with product recommendations and pricing.
For immediate assistance, feel free to give us a direct call at +1 630-543-1300. You can also send us a quick email at issnews@imagesensing.com.
For immediate assistance, feel free to give us a direct call at +1 630-543-1300. You can also send us a quick email at issnews@imagesensing.com.