CBB Transportation Engineers + Planners

CBB Transportation Engineers + Planners Transportation Engineering + Planning CBB is a regional traffic engineering and transportation planning consultant firm headquartered in St. Louis, Missouri.

We offer a wide range of transportation engineering and planning services to municipal, county, and state agencies, as well as to private industry and institutional clients. CBB is a 100 percent employee-owned firm. Our professional staff includes licensed Professional Engineers (PE) including Professional Traffic Operations Engineers (PTOE), Professional Transportation Planners (PTP), Road Safet

y Professionals (RSP2I and RSP2IB). We take pride in a free-thinking, innovative, and collaborative culture and strive to deliver transportation engineering and planning solutions for safer, more sustainable, and economically vibrant communities.

On Monday, CBB team members proudly represented the firm at the Missouri APWA Ken Yost Memorial Tournament in St. Louis!...
06/12/2026

On Monday, CBB team members proudly represented the firm at the Missouri APWA Ken Yost Memorial Tournament in St. Louis! ⛳

It was a great day connecting with industry peers and colleagues from local agencies and firms. Thanks to APWA Missouri for hosting another great event!

Check out our story to see a glimpse of the event!

Last month, CBB's Alex Zarate, EIT, had the opportunity to present as part of the ITE Gateway Section - GSITE 'Next Gene...
06/11/2026

Last month, CBB's Alex Zarate, EIT, had the opportunity to present as part of the ITE Gateway Section - GSITE 'Next Generation' Speaker Series at the May Monthly Meeting. His presentation explored his experience after two years in the industry, showing what has encouraged him to learn and grow, the projects he's enjoyed being a part of, and what has been fulfilling in his career so far!

Thank you to GSITE for providing a platform to share perspectives from the next generation of transportation professionals and foster conversations about the future of our industry!

Last weekend, CBB’s interns got a firsthand look at the demolition of the Providence Road bridge over I-70 as part of th...
06/04/2026

Last weekend, CBB’s interns got a firsthand look at the demolition of the Providence Road bridge over I-70 as part of the Improve I-70: Rocheport to Columbia project.

CBB’s traffic operations staff were also on-site, monitoring traffic conditions and optimizing signal timing to accommodate changing traffic patterns during construction.

The new Providence Road interchange at I-70 is expected to open in approximately five months.

Learn more about the project: https://www.modot.org/projects/improvei70/rocheportcolumbia

Congratulations to Trent Clark, a CBB intern alum, on graduating this week from Washington University (Wash U) with a ba...
05/15/2026

Congratulations to Trent Clark, a CBB intern alum, on graduating this week from Washington University (Wash U) with a bachelor’s degree in Architecture. 🎓

Trent was a 2021 CBB intern as part of the Missouri Department of Transportation and Millstone Weber's I-270 North Project Pave program. As a high school senior, Trent stood out for his curiosity, work ethic, and drive to learn. Upon graduation from Hazelwood West High School in 2022, Trent entered the WashU Sam Fox School of Design & Visual Arts.

Trent has had great success over the past 4 years at Wash U as an Ervin and McLeod Scholar. He has been featured by the University for his impact on campus and earned his real-estate license, all while staying inspiring the next generation and mentoring students at both Project Pave and Hazelwood West.

We are incredibly proud to be a part of Trent’s journey and can’t wait to see the impact he continues to make in our community. Congratulations, Trent!

Make Way for Trent, Class of 2026: https://www.youtube.com/watch?v=qfTvPviPZkk

Student Stories: https://giving.washu.edu/your-impact/student-stories/ -trent-clark

CBB is proud to be part of the Improve I-70: Rocheport to Columbia Design-Build Team working with Missouri Department of...
05/08/2026

CBB is proud to be part of the Improve I-70: Rocheport to Columbia Design-Build Team working with Missouri Department of Transportation, Emery Sapp & Sons , and Parsons Corporation.



Yesterday’s groundbreaking marked an exciting milestone for a project that will modernize Missouri’s most important transportation corridor. We’re honored to help deliver infrastructure that will transform mobility in Columbia and support safer, more efficient travel across Missouri for decades to come.🚧

CBB is proud to support Saint Louis University American Society of Civil Engineers (ASCE) student chapter. Recently, Lau...
05/05/2026

CBB is proud to support Saint Louis University American Society of Civil Engineers (ASCE) student chapter. Recently, Laura Gray attended the ASCE Mid-America Student Symposium, where she served as a competition judge, participated on a young professionals panel, and connected with student chapters from across the Midwest.

Laura is the chapter’s Practitioner Advisor, where she mentors students, builds industry connections, and supports their professional growth. We also recently enjoyed our time with students and CBB Alum, Professor Jalil Kianfar, Ph.D., P.E., at the chapter’s annual end of semester “Ice Cream Social”.

Last weekend, members of the CBB team participated in the annual MoDOT - St. Louis Work Zone Awareness 5K in Chesterfiel...
04/28/2026

Last weekend, members of the CBB team participated in the annual MoDOT - St. Louis Work Zone Awareness 5K in Chesterfield, MO. 🏃🏃

Held during National Work Zone Awareness Week, this event raises awareness for road worker safety and reminds us all to slow down and stay alert in work zones.

Safety is at the core of what we do. Behind every work zone is a team of people who show up every day to make our roads ...
04/23/2026

Safety is at the core of what we do. Behind every work zone is a team of people who show up every day to make our roads safer. This Work Zone Awareness Week, we recognize their efforts and recommit to protecting everyone on the road.

CBB is proud to support that mission through our transportation safety projects and local initiatives, like the Missouri Highway Safety Conference, the Work Zone Awareness 5K, and MoDOT's Buckle Up Phone Down Day. Our team is also looking forward to participating in the Work Zone Awareness 5K this Saturday and showing our support in the community.

For us, safety is always in season.

Happy ! 🦺🧡This Work Zone Awareness Week, the CBB team is wearing orange to spotlight the crews working hard behind the ...
04/22/2026

Happy ! 🦺🧡

This Work Zone Awareness Week, the CBB team is wearing orange to spotlight the crews working hard behind the cones to keep our roads moving safely. The best way to support them: Slow down, put the phone down, and stay alert.

As drivers, we all play a huge role in protecting those in the work zone. Drive safe – today and every day.

Address

12400 Olive Boulevard, Ste 430
St. Louis, MO
63141

Telephone

+13148786644

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