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DDI Design Provides Sustainable Solutions

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Service: Transportation Planning

SD11 & SD 115 Corridor Study

August 4, 2022

SD11 & SD115 Corridors Study

June 24, 2021

Major Bridge Investment Study

June 24, 2021

Interstate 80 Interchange Study

January 24, 2021

Lake Shore Drive S-Curve Relocation

January 20, 2021

SR A1A Pedestrian Bike Study

December 4, 2019

Wolfs Crossing Road

December 4, 2019

Main Street & Crystal Lake Avenue

December 4, 2019

Chicago Streets for Cycling

December 4, 2019

12th Avenue North Corridor

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