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Illinois Route 47 at Plato Road Study

The Illinois Department of Transportation (IDOT) is conducting a Preliminary Engineering and Environmental (Phase I) Study for the purpose of evaluating suitable traffic control alternatives that address the safety and mobility of traffic currently experienced at the intersection of Illinois Route 47 at Plato Road in Plato Township. This intersection is an all-way stop controlled intersection with a single flashing beacon light located in the center of the intersection with a single luminaire. The land surrounding the intersection is mainly open farm land with residential homes, three schools, an equine hospital, stables, a small airport, and other commercial businesses lying within the study area.

Note: IDOT projects typically have three distinct phases. Phase I (or the project Study) consists of developing the project scope, environmental studies and preliminary design of a project. Phase II (Design) consists of refining the design to develop contract plans and land acquisition. Phase III (Construction) consists of the actual construction of the project.


Alternative 1: Traffic Signal

Traffic signals would be installed on all legs of the intersection of Illinois Route 47 at Plato Road. This work would include widening the roadway to accommodate a single 12’ wide left turn lane and a 12’ wide shared through/right lane on all legs. Paved 8’ and 6’ wide shoulders would be on each leg respectively. Drainage would be improved within the proposed study area. Lighting for this alternative is not needed.


Alternative 2: Modern Roundabout

The all-way stop controlled intersection would be converted into a modern roundabout with a 14’ wide circulating single lane. The center of the roundabout has been shifted north and east to deflect entering vehicles approaching the roundabout. Long splitter islands are proposed on all legs to deflect entering vehicles as well. A 14’ wide concrete truck apron, located just outside of the central island, is proposed. This area will accommodate large trucks, farm equipment, and emergency vehicles providing them with an additional area to maneuver through the circle. Entering vehicles would yield to traffic circulating counter-clockwise in the circle. The existing drainage would be improved just as in Alternative 1. Lighting around the roundabout would be installed.


The purpose of this improvement is to evaluate suitable traffic control alternatives that address the safety and mobility of traffic currently experienced at the intersection. This is needed to address the intersection’s existing traffic control which currently exhibits excessive queues and delays.


As the IL Route 47 at Plato Road project study progresses, IDOT will periodically update this website to assure that the motorists of Illinois are kept informed of project developments, public involvement opportunities, and construction related activities.

Public Meetings

A public meeting was held at the Central High School in Burlington, Ill., on Tuesday, Dec. 10, 2013, to introduce the proposed plan. Please visit the Resources tab to view the exhibits and presentation that were shown at this public meeting.

The Illinois Department of Transportation will host a public hearing Oct. 20 on a proposal to build a modern roundabout at Illinois 47 and Plato Road in Kane County.  Click here for meeting information.

Contact Us

The Project Team is interested in hearing from you! If you have questions or ideas about the project, please fill out the feedback form or contact us at:

Illinois Department of Transportation
Bureau of Programming, 4th Floor
Attention:  Mr. Carlos Feliciano
201 West Center Court
Schaumburg, IL 60196

Email:  DOT.IL47atPlato@illinois.gov

Please continue to visit the Illinois Route 47 at Plato Road project study website for periodic updates throughout the course of the project.

The Illinois Department of Transportation looks forward to your continued input and support.

IDOT is currently at the early stages of Phase I for this project. This site will be updated periodically as the project progresses. The Illinois Department of Transportation (IDOT) wishes to thank you for your support and patience.

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