Less Stop, More Go

80/94 FlexRoad is an Indiana Department of Transportation (INDOT) project to improve traffic flow and safety along Indiana’s busiest interstate corridor.

Several improvements are planned for the I-80/I-94 Corridor (Borman Expressway), including innovative strategies to improve reliability of the system. The 14-mile corridor extends from I-65 in Indiana to IL 394.

Combining several Transportation Systems Management and Operations (TSMO) strategies will maximize the efficiency of the existing system. Interchange modifications are also expected to improve safety and mobility. Corridor-wide fiber optic improvements will support the digital signage that is part of the TSMO solutions for FlexRoad. 

Construction is expected to begin in spring 2026 and end in late 2028.

Improvements

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Talking TSMO

Learn more about TSMO strategies.

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Broadway Interchange Improvements

Broadway Avenue interchange improvements will improve safety and mobility: 

  • Three lanes continue to I-65 South exit without changing lanes 
  • Auxiliary lane between Grant and Broadway continues as fifth lane 
  • Modified signalized interchange uses a signal to control traffic entering and exiting I-80/I-94 and through traffic along Broadway Avenue 
  • Existing northbound ramp along Broadway Avenue removed 
  • Moving traffic to enter via signal allows more space to safely merge 
  • The I-80/I-94 East to Broadway exit ramp is expected to close for 60 days. 

I-65 South Interchange Improvements

  • Three lanes continue to I-65 South Exit without changing lanes 
  • Added option lane continues along I-80/I-94 or exits to I-65 South 
  • Dynamic shoulder lane provides added capacity through the interchange 
  • Exit ramp to I-65 South expanded to three lanes 
  • The I-80/I-94 East to I-65 South ramp will maintain two lanes at all times. 

Fiber Optic Improvements

  • Existing fiber optic cable will be replaced with updated fiber optic cable on both sides of the FlexRoad corridor. 
  • Fiber optic cable parallels the road and controls digital signage. 
  • Existing cable is past its useable life and does not have the capacity to support additional electronic communication devices, like the new digital gantries. 
  • Replacing cables provides redundancy and ensures the system can function in the event of an issue with one cable. 
  • Construction is anticipated to begin in early 2026 and be complete by fall 2026. 
  • Minimal impacts to traffic are anticipated

Maintaining Traffic

Ramp Metering

Ramp metering works by allowing only a regulated number of vehicles, often one at a time, to merge onto the I-80/I-84, creating safe gaps for entry and preventing the expressway from being overwhelmed by too many merging vehicles at once.  

  • Closures will be needed for entrance and exit ramps within the corridor to add ramp metering. 
  • Short-term ramp closures are expected to last up to two weeks. 
  • Ramp metering is anticipated to be in place at the following entrances to I-80/I-94: 
    • Calumet Avenue 
    • Indianapolis Boulevard 
    • Kennedy Avenue 
    • Burr Street 
    • Cline Avenue
    • Grant Street 
    • Broadway Avenue
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Queue Warning

  • Queue warning uses real-time displays of messages alerting drivers that slowdowns are ahead, reducing the potential for rear-end crashes or secondary incidents. 
  • Traffic sensors monitor speeds and detect changes in traffic flow.  
  • Local traffic management centers use the information to update digital gantries with the latest information. 
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Variable Speed Limits

  • Variable speed limits adjust based on real-time traffic, roadway incidents, work zones and weather conditions, helping to reduce congestion. 
  • By varying speeds, traffic flow improves and reduces stop-and-go conditions. 
  • Adjusting speeds can also reduce rear end collisions, improving safety. 

Dynamic Shoulder Lanes

  • Dynamic shoulder lanes use the shoulder for additional capacity during peak congestion or in response to incidents. 
  • Electronic signs over the shoulder lane indicate when it’s open or closed, providing flexible capacity improvements to reduce travel times and increase reliability. 
  • Sensors, cameras and other data sources continuously monitor traffic conditions, including incident data and congestion levels. 
  • Local transportation management centers use this information to determine when and how to alter lane usage to best suit current conditions. 

Dynamic Lane Control

  • Dynamic lane control closes or opens individual traffic lanes to provide advance warning of closures or incidents using signals above each lane. 
  • Sensors, cameras and other data sources continuously monitor traffic conditions, including incident data and congestion levels. 
  • Local transportation management centers use this information to determine when and how to alter lane usage to best suit current conditions. 

Improved Signage: Gantries in the Corridor

  • Improved signage increases driver knowledge and awareness of current traffic conditions, helping to reduce crashes and inform motorists. 
  • New digital gantries, 73 in total, will be added every half mile along the FlexRoad corridor.