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Speed Limits are easily reduced during construction activities and motorists are informed of their actual speed with Ver-Mac Speed Wizards from Street Smart.
Speed Limits are easily reduced during construction activities and motorists are informed of their actual speed with Ver-Mac Speed Wizards from Street Smart.
Today more than ever, we have all grown accustomed to getting whatever we want, quickly.  Just last weekend, for example, in between games at my son's baseball tournament, within 26 minutes from start to finish, I ordered, received, and demolished a Jimmy John’s sandwich (with Kick’n ranch sauce,…
August 18, 2021
Illinois work zone crashes and injuries
All images: Illinois DOT
Work zone related fatalities and serious injuries typically account for 2% to 4% and 1% to 2% of all fatalities and serious injuries respectively in Illinois.  Although these can be considered lower priority areas from a comprehensive strategic approach to safety, work zones are areas where road…
May 04, 2021
Sudden rain events plagued crews during the Vine & Washington intersection rehabilitation project, leaving workers scrambling to tarp freshly laid concrete against dense and driving rain.
Sudden rain events plagued crews during the Vine & Washington intersection rehabilitation project, leaving workers scrambling to tarp freshly laid concrete against dense and driving rain.
Alkali-silica reaction, commonly referred to simply as ASR, is considered to be, by those in the know, concrete cancer. According to the Portland Cement Association, ASR occurs when aggregates containing certain forms of silica react with alkali hydroxide in concrete to form a gel that swells as it…
February 03, 2021
The Need for Better Traffic Management During Turbulent Times
Image: one.network
Simon Topp There’s no question: road agencies are operating in turbulent times. From the COVID-19 pandemic and the 2020 presidential election to ongoing civil unrest, there have been unprecedented interruptions to the national road network. The adoption of practical, effective traffic management…
December 09, 2020
The section of the Lakefront Trail in Chicago between Navy Pier and the Chicago River is one of the most heavily used portions and required structural and way-finding changes to better accommodate users. The proposed flyover had to stretch from the Ohio Street Beach on the north side of the Chicago…
November 11, 2020
Chicago Transit Authority social distancing
All images courtesy of the Chicago Transit Authority.
The Chicago Transit Authority (CTA) recently responded to several questions from Roads & Bridges/Traffic & Transit regarding the agency's response to COVID-19 and how operations have continued since the start of the pandemic. The following is an edited transcript of that Q&A. Responses…
August 26, 2020
The new bridge is nine spans and 1,776 ft long
The new bridge is nine spans and 1,776 ft long. After overcoming several complex design challenges, this innovative bridge replacement solution provided a safer, more efficient river crossing for vehicular, pedestrian, and waterway traffic.
Built in the 1930s, the historic IL 89 bridge over the Illinois River served as a critical connector between Putnam and Bureau Counties in Illinois. Surrounding communities relied on this fracture-critical, narrow structure for commerce, emergency response, and general travel. Despite numerous…
July 15, 2020
Now that the $2 trillion Phase 3 portion of the Coronavirus Aid, Relief and Economic Security (CARES) Act has been officially signed into law and implemented, attention is turning towards a potential Phase 4. The goal of Phase 4 would be to provide additional funding to address the ongoing economic…
May 18, 2020
Toll bridges often serve as the economic engine for an entire community’s transportation system. Work on these bridges that interrupts traffic flow inevitably affects toll revenue, which can have long-lasting ripple effects on the delicate transportation ecosystem. That’s why it’s so important to…
May 01, 2020
NO. 3 BRIDGE: 41st Street Pedestrian Bridge
The city of Chicago has seen a boom of dynamic architectural development in the last 15 years, and the new 41st Street Bridge, which was designed by architects at Cordogan, Clark & Associates, serves as yet another jewel in the Windy City crown.
Through an international design competition called “Bridging the Drive,” the City of Chicago constructed a new signature pedestrian bridge at 41st Street and Lake Shore Drive. The project’s primary goals were to connect the Bronzeville neighborhood with Lake Michigan, which is separated by Lake…
November 05, 2019
NO. 5 BRIDGE: Champ Clark Bridge over the Mississippi River (U.S. Hwy 54)
The new bridge was opened Aug. 3 to much public fanfare. The great grandchildren of Champ Clark himself were on hand for the opening, along with 600 other people. The demo of the old structure was underway as of this writing, with deck removal complete.
Originally completed in 1928, the Champ Clark Bridge—so named for a former Missouri Speaker of the House—stood as a landmark along the Mississippi River for nearly a century. But like all man-made creations, its serviceable life eventually and inevitably came to an end—and a new alternative was…
November 05, 2019
Couched within the greater mobility issue is the concern over equity. Equity in planning, equity in execution, and, perhaps most importantly, equity in intention.  In other words, equity being a fundamental tenet of any agency’s operating philosophy in working to create a forward-thinking, dynamic…
August 01, 2019
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