Business Details
Expert Roundabout Design & Transportation Engineering Solutions
MTJ Roundabout Engineering was founded by Mark T. Johnson, a Professional Engineer with over 20 years of specialized expertise in traffic and transportation engineering. Our firm focuses on solving complex traffic problems through the analysis, planning, and design of modern roundabouts, delivering solutions that prioritize safety, operational efficiency, and public acceptance. Our team combines deep technical knowledge with proven communication strategies to address diverse project contexts, from urban multi-lane roundabouts to high-speed interchanges. We have completed over 400 projects across 26 U.S. states and two Canadian provinces, including award-winning designs recognized for innovation and effectiveness.Our work is grounded in adherence to state-of-the-art design principles and collaboration with clients to balance community needs with technical requirements. We offer peer review, training, and public outreach services, leveraging decades of hands-on experience to optimize roundabout performance. Our contributions to industry standards, including co-authorship of the FHWA Roundabout Design Guide, underscore our leadership in advancing roundabout engineering nationwide. Client testimonials consistently highlight our ability to deliver reliable, community-approved solutions and our commitment to transparency and excellence in every project.
Services
Roundabout Design
Peer Review
Traffic Planning
Training Workshops
Public Outreach
In-Service Design Review
Visualization Services
Access Management
Safety Analysis
Capacity Analysis
Highlights and features
- Over 20 years of specialized roundabout engineering expertise
- Proven track record in 400+ projects across 26 U.S. states and 2 Canadian provinces
- Led by FHWA Roundabout Design Guide co-author and industry-recognized expert
- Award-winning designs prioritizing safety, efficiency, and community acceptance
- Comprehensive training for 1,000+ engineers and agencies nationwide
What people say
Award-winning designs
Expert roundabout solutions
Positive community impact
Proven safety improvements
Effective public outreach
Services
Roundabout Design
Our roundabout design services focus on creating safe, efficient, and context-sensitive solutions for urban and rural intersections. We apply proven geometric principles and simulation tools to optimize traffic flow, minimize crashes, and enhance driver comprehension. Our designs balance technical requirements with community needs, ensuring long-term operational success and public acceptance.
Peer Review
We provide independent peer review services to evaluate roundabout designs for compliance with industry standards and best practices. Our reviews identify opportunities to improve safety, operational efficiency, and driver comprehension while addressing potential implementation challenges. This process ensures projects meet technical and community objectives before construction.
Training Workshops
Our training programs equip engineers and planners with the knowledge and skills to design and implement modern roundabouts effectively. Courses cover traffic analysis, geometric design, safety optimization, and public outreach strategies. Participants gain hands-on experience through case studies and practical exercises led by industry experts.
Public Outreach
We develop targeted public outreach strategies to build support for roundabout projects and address community concerns. Our approach includes educational workshops, visual aids, and stakeholder collaboration to clarify technical details and demonstrate project benefits, ensuring smoother implementation and long-term acceptance.
Traffic Planning
Our traffic planning services integrate roundabouts into broader transportation networks to improve safety and efficiency. We analyze corridor dynamics, assess capacity needs, and develop solutions that balance mobility with land use considerations. This holistic approach ensures roundabouts function optimally within their surrounding infrastructure.
People
Mark T. Johnson
Principal Engineer
Mark T. Johnson, P.E., founded MTJ Roundabout Engineering after 12 years in public and private-sector transportation roles. He has designed or reviewed over 800 roundabouts, co-authored the FHWA Roundabout Design Guide, and trained 1,000+ engineers nationwide. His expertise spans geometric design, safety analysis, and public outreach.
Questions
What services does MTJ Roundabout Engineering offer?
We specialize in roundabout design, peer review, traffic planning, training workshops, and public outreach services for transportation agencies and private firms.
In which regions does MTJ operate?
We serve clients across the United States and Canada, with experience in 26 states and two Canadian provinces.
How experienced is MTJ's team?
Our principal engineer has over 20 years of roundabout expertise and has completed 400+ projects, including award-winning designs recognized nationally.
Does MTJ provide training for engineers?
Yes, we offer customized roundabout design training programs for agencies and professionals, covering analysis, design, and implementation best practices.
Can MTJ assist with public opposition to roundabouts?
Yes, we develop targeted outreach strategies to address community concerns and build support for roundabout projects through education and collaboration.
What sets MTJ apart from other engineering firms?
Our exclusive focus on roundabouts, combined with technical leadership in design standards and hands-on training, ensures clients receive unmatched expertise and results.
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