PROJECT SCOPE

From the completed Phase I study, three specific sections of the corridor were recommended for reconstruction. They include:

• I-39/U.S. 20 Mainline

• I-39/U.S. 20 Interchange (System Interchange)
• I-39/U.S. 20/Harrison Avenue Interchange

Along with those major typical sections of redesign and reconstruction, the scope of the project also includes the following related reconstruction projects:

• Reconstruction of the I-39/U.S. 20 interchange (System Interchange).
• Reconstruction and capacity expansion of the I-39 northbound and southbound ramps from one lane to two lanes at U.S. 20.
• Reconstruction and widening to three lanes plus an auxiliary lane on I-39 from U.S. 20 to Harrison Avenue, including wider shoulders.
• Addition of concrete median barrier on I-39.
• Reconstruction of 15 bridge structures including the Kishwaukee River bridges on U.S. 20.
• Reconstruction of 44 culverts.
• Reconstruction and additional lanes on U.S. 20/Harrison Avenue with three lanes in each direction along Harrison Avenue from west of South Mall Drive to east of Mill Road.
• Conversion of the I-39/U.S. 20/Harrison Avenue interchange from a full cloverleaf to a Diverging Diamond interchange, including the removal of the existing cloverleaf ramps.
• Reconstruction of Mulford Road, Linden Road, Perryville Road, Mall Drive, and reconstruction and geometric revisions of Mill Road.
• Traffic signalization at Harrison Avenue and South Mall Drive, Harrison Avenue and Mill Road, and the two DDI intersections at the ramp terminals in the Harrison Avenue/U.S. 20 Interchange.
• Reconstruction and relocation of the Cherry Valley Path under I-39 at Madigan Creek.
• Reconstruction of the existing noise wall southwest of Mulford and U.S. 20.
• Potential construction of new noise wall along segments of I-39 
• Addition of a shared use path along the north side of Harrison Avenue.
• Improved roadway lighting.
• New landscaping.
• New signing.
• Drainage improvements.