The Elgin O'Hare/Western access was recommended in ON TO 2050 as a new expressway with managed lanes. This project includes all communications, roadside equipment, hardware and software needed to support the roadway as a modern expressway. The project includes three main components: reconstructing and widening the existing Elgin O'Hare Expressway, extending the expressway east to O'Hare, and adding an expressway around the western side of O'Hare from I-90 to I-294 (the western bypass). All three components will be tolled. It is expected to include express bus service. The Tollway completed the work along the existing Elgin O'Hare Expressway in 2016 and completed the extension of the expressway east to Illinois Route 83 in 2017. The construction of the remaining components of the project is expected to be complete in 2025.
| Source | Flow | Destination | Status |
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| Automated Enforcement Cameras | roadway equipment coordination | Illinois Tollway TMC Field Equipment | Not Applicable |
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| Cook County Department of Transportation and Highways Field Equipment | roadway equipment coordination | Illinois Tollway TMC Field Equipment | Not Applicable |
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| DuPage County Field Equipment | roadway equipment coordination | Illinois Tollway TMC Field Equipment | Not Applicable |
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| IDOT District 1 Bureau of Traffic – Arterial Operations Field Equipment | roadway equipment coordination | Illinois Tollway TMC Field Equipment | Not Applicable |
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| IDOT District 1 ComCenter Field Equipment | roadway equipment coordination | Illinois Tollway TMC Field Equipment | Not Applicable |
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| IDOT District 1 Traffic Systems Center Field Equipment | roadway equipment coordination | Illinois Tollway TMC Field Equipment | Not Applicable |
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| IDOT Toll Business Center | payment instructions | Illinois Tollway I–Pass Toll Plazas | Not Applicable |
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| Illinois Tollway IPASS Business Center | payment instructions | Illinois Tollway I–Pass Toll Plazas | Existing |
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| Illinois Tollway I–Pass Toll Plazas | payment transactions | Illinois Tollway IPASS Business Center | Existing |
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| Illinois Tollway I–Pass Toll Plazas | traffic detector data | Illinois Tollway TMC (TIMS) | Not Applicable |
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| Illinois Tollway I–Pass Toll Plazas | traffic situation data | Illinois Tollway TMC (TIMS) | Not Applicable |
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| Illinois Tollway I–Pass Toll Plazas | vehicle payment request | Vehicles | Existing |
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| Illinois Tollway I–Pass Toll Plazas | vehicle payment update | Vehicles | Existing |
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| Illinois Tollway TMC (TIMS) | environmental sensors control | Illinois Tollway TMC Field Equipment | Existing |
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| Illinois Tollway TMC (TIMS) | roadway dynamic signage data | Illinois Tollway TMC Field Equipment | Existing |
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| Illinois Tollway TMC (TIMS) | traffic detector control | Illinois Tollway I–Pass Toll Plazas | Not Applicable |
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| Illinois Tollway TMC (TIMS) | traffic detector control | Illinois Tollway TMC Field Equipment | Existing |
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| Illinois Tollway TMC (TIMS) | traffic metering control | Illinois Tollway TMC Field Equipment | Existing |
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| Illinois Tollway TMC (TIMS) | video surveillance control | Illinois Tollway TMC Field Equipment | Existing |
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| Illinois Tollway TMC Field Equipment | broadcast advisories | Vehicles | Not Applicable |
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| Illinois Tollway TMC Field Equipment | environmental sensor data | Illinois Tollway TMC (TIMS) | Existing |
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| Illinois Tollway TMC Field Equipment | environmental sensor data | Weather Services | Not Applicable |
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| Illinois Tollway TMC Field Equipment | roadway dynamic signage status | Illinois Tollway TMC (TIMS) | Existing |
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| Illinois Tollway TMC Field Equipment | roadway equipment coordination | Automated Enforcement Cameras | Not Applicable |
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| Illinois Tollway TMC Field Equipment | roadway equipment coordination | Cook County Department of Transportation and Highways Field Equipment | Not Applicable |
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| Illinois Tollway TMC Field Equipment | roadway equipment coordination | DuPage County Field Equipment | Not Applicable |
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| Illinois Tollway TMC Field Equipment | roadway equipment coordination | IDOT District 1 Bureau of Traffic – Arterial Operations Field Equipment | Not Applicable |
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| Illinois Tollway TMC Field Equipment | roadway equipment coordination | IDOT District 1 ComCenter Field Equipment | Not Applicable |
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| Illinois Tollway TMC Field Equipment | roadway equipment coordination | IDOT District 1 Traffic Systems Center Field Equipment | Not Applicable |
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| Illinois Tollway TMC Field Equipment | roadway equipment coordination | Kane County Field Equipment | Not Applicable |
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| Illinois Tollway TMC Field Equipment | roadway equipment coordination | Lake County Field Equipment | Not Applicable |
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| Illinois Tollway TMC Field Equipment | traffic detector data | Illinois Tollway TMC (TIMS) | Existing |
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| Illinois Tollway TMC Field Equipment | traffic images | Illinois Tollway TMC (TIMS) | Existing |
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| Illinois Tollway TMC Field Equipment | traffic metering status | Illinois Tollway TMC (TIMS) | Existing |
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| Kane County Field Equipment | roadway equipment coordination | Illinois Tollway TMC Field Equipment | Not Applicable |
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| Lake County Field Equipment | roadway equipment coordination | Illinois Tollway TMC Field Equipment | Not Applicable |
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| Pace Transit Bus Vehicles | bus priority request | Illinois Tollway TMC Field Equipment | Not Applicable |
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| Private Parking Lots | parking guidance information | Illinois Tollway TMC Field Equipment | Not Applicable |
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| Vehicles | vehicle payment information | Illinois Tollway I–Pass Toll Plazas | Existing |
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| Vehicles | vehicle situation data | Illinois Tollway TMC Field Equipment | Not Applicable |
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| Weather Services | environmental sensors control | Illinois Tollway TMC Field Equipment | Not Applicable |
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