CITY COUNCIL AGENDA ITEM
ACTION REQUESTED:title
Endorse the Naperville 2050 Road Improvement Plan
body
DEPARTMENT: Transportation, Engineering and Development
SUBMITTED BY: Andrew Hynes, PE, PTOE, City Engineer/Deputy Director
BOARD/COMMISSION REVIEW:
On September 4, 2025, the Transportation Advisory Board unanimously approved the proposed Naperville 2050 Road Improvement Plan. (Vote 7-0)
BACKGROUND:
The City of Naperville maintains approximately 475 centerline miles of streets, including numerous arterial and collector roadways. Traffic flow and congestion on major roads have been a long-standing concern identified through past community surveys. Minimizing congestion on arterial roads and intersections also reduces travel times, lowers emissions, and reduces unnecessary traffic on neighborhood streets.
Between 1988 and 2008, the City of Naperville assessed a road impact fee. Acknowledging that the new development results in additional traffic on the city streets and that capacity improvements were needed to accommodate the additional traffic; the purpose of the fee was to assess developers for the proportionate share of the costs of the improvement of the arterial road system.
A key component of the impact fee process was the development of the Road Improvement Plan. This plan consists of a list of numerous road corridors and intersection capacity improvements needed to meet minimum level of service requirements within a 20-year timeframe accounting for future development and traffic growth. A detailed traffic model was developed to identify capacity deficiencies and recommended improvements. The projects included in the approved Road Improvement Plan were added to the City's Capital Improvement Plan budget with many implemented over the past 15 years.
Since the impact fee program was discontinued in 2008 and the associated model is approaching the end of its 20-year traffic projection, an updated high-level analysis of current and projected tr...
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