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Illinois Route 13 - Carbondale to Carterville
Proposed Traffic and Roadway Network Improvements

Project Description

The Illinois Department of Transportation is in initial planning stages for a project to add a third lane in each direction on Illinois Route 13 from east of Giant City Road in Carbondale to west of Shawnee Trail in Carterville.   Intersection improvements will be made to Veterans Parkway, Reed Station Road, Spillway Road, Cambria Road and Campground Road.  The project is not currently funded and no anticipated construction date is known. Comments are currently being accepted from the public.  

Today, traffic levels range between 30,000 to 35,000 vehicles per day on the 4-lane roadway system that nears or exceeds acceptable capacity levels. This traffic, coupled with numerous closely spaced intersections has compromised safety and traffic mobility and efficiency. In a six-year period from 2007 to 2012, there were a total of 324 crashes resulting in two deaths and 12 Type A injuries. A Type A injury is defined as any injury, other than a fatal injury, which prevents the injured person from walking, driving, or normally continuing the activities he/she was capable of performing before the injury occurred.

The following data sheets show accident information, peak hour turning volumes and ADT’s on each leg at the intersections:
Cambria Accidents.pdf (~30k pdf)
Campground Accidents.pdf (~23k pdf)
Reed Station Accidents.pdf (~45k pdf)
Spillway Accidents.pdf (~38k pdf)
Veterans Parkway Accidents.pdf (~21k pdf)

Existing Spillway
Spillway

As part of the planning for the project a process called Contest Sensitive Solution (CSS) will be used.  CSS ensures effective identification and understanding of the concerns and values of all stakeholders (i.e., person and entities that have a stake in the outcome of a highway project).  The purpose of the stakeholder involvement process is to promote a proactive and responsive CSS approach that seeks the input of the full range of concerned stakeholders early and often, and that provides for appropriate consideration of stakeholder input at key points in the project decision-making process (e.g., project purpose, range of alternative, selection of a preferred alternative). A project study group will be formed with representatives throughout the project limits and meetings will be held throughout the planning stages. 


Existing Reed Station
Reed Station

A public meeting was held at John A. Logan College on September 18, 2013 to present several conceptual alternatives to the public and receive comments concerning the project.  The following exhibits were presented, these exhibits in no way represent final proposed improvements.  They are meant to provide ideas and to stimulate conversation related to improving safety and ease of travel on Illinois 13.  

Reed Station Exhibit (~3.7mb pdf) 

IL 13 and Reed Station.  Concept details adding a lane on Illinois 13 eastbound and westbound, 2 eastbound left turn lanes at Reed Station, and a free flow (no stop) southbound right turn lane on Reed Station.  A westbound auxiliary lane extends between Reed Station Road and Veterans Parkway for acceleration of the free flow right from the Reed Station north leg  and deceleration for the westbound right turn movement into Veterans Parkway.  

Spillway Exhibit (~3.8mb pdf)

IL 13 and Spillway Road.  Concept details adding a lane on Illinois 13 eastbound and westbound.  The northbound free flow (no stop) right turn acceleration lane is  lengthened to give more time to merge with IL 13 traffic.  

Cambria Super T Exhibit (~3.7mb pdf)

IL 13 and Cambria Road.  Concept details adding a lane on Illinois 13 eastbound and westbound.  This exhibit shows a Super T configuration.  The westbound IL 13 traffic is signalized to enable southbound left turns from Cambria road.  The left turners enter a acceleration lane in the median and merge with westbound IL 13 traffic.  Westbound IL 13 will not be signalized.  The entrance into the Haven is converted to right in/right out access only.  

Cambria Left Only Exhibit (~4mb pdf)

IL 13 and Cambria Road.  Concept details adding a lane on Illinois 13 eastbound and westbound.  In this exhibit left turns will be limited to Illinois 13 traffic only, no left turns are allowed from Cambria Road.  Traffic headed east from Cambria would need to access IL 13 from an alternate route.  The entrance into the Haven is converted to right in/right out access only.  

IL 13 Over Cambria Exhibit (~5.2mb pdf)

IL 13 and Cambria Road.  Concepts details adding a tight diamond interchange on Illinois 13 with Illinois 13 going over Cambria Road.  A lane is added to Illinois 13 eastbound and westbound.   

Cambria Over IL 13 Exhibit (~4.8mb pdf)

IL 13 and Cambria Road.  Concepts details adding a tight diamond interchange on Illinois 13 with Cambria Road going over Illinois 13.  A lane is added to Illinois 13 eastbound and westbound.  This detail does not accommodate left turns from Illinois 13 into the Haven or from the Haven to Westbound IL 13.   

Campground Frontage Exhibit (~11.7mb pdf)

IL 13 and Campground Road.  Concept details adding a lane on Illinois 13 eastbound and westbound.  Access from IL 13 is limited to right in and right out only at Campground Road.  A frontage road is constructed from Campground Road to Greenbriar Road.  The boat launch to the north of Campground Road is closed.  

Campground Unsignalized Exhibit (~4mb pdf)

IL 13 and Campground Road.  Concept details adding a lane on Illinois 13 eastbound and westbound.  Unsignalized intersection with all movements available.  

Campground Super T Exhibit (~3.2mb pdf)

IL 13 and Campground Road.  Concept details adding a lane on Illinois 13 eastbound and westbound.  This exhibit shows a Super T configuration.  The eastbound IL 13 traffic is signalized to enable northbound left turns from Campground Road.  The left turners enter a acceleration lane in the median and merge with eastbound IL 13 traffic.  Eastbound IL 13 will not be signalized.  Access to the boat launch north of Campground Road is closed.

Any further questions can be addressed by calling or visiting the IDOT Region 5, District 9 Headquarters at 2801 West Murphysboro Rd. on the west edge of Carbondale at (618) 549-2171.

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