Business Details
46 Years
experience
Your Trusted Traffic Engineering Partner in San Diego
Urban System Assocation has been a leader in traffic and civil engineering since 1980, delivering specialized solutions for transportation planning, traffic engineering, and Intelligent Transportation Systems (ITS). With over 36 years of experience in Southern California, our team of licensed civil and traffic engineers provides comprehensive services including traffic impact analyses, signal design, adaptive traffic control systems, and smart mobility innovation. We combine decades of expertise with cutting-edge technology to address complex transportation challenges for public agencies and private developers.Our work spans San Diego, Orange, Riverside, Imperial, and Los Angeles counties, where weve completed over 800 sets of construction plans and implemented pioneering solutions like the first Turbo Roundabout in San Diego County. Backed by certifications as a California Microbusiness and Emerging Local Business Enterprise, we remain committed to advancing transportation efficiency, safety, and sustainability through innovative engineering and client-focused collaboration.
Services
Traffic Impact Analysis
Signal Design
ITS Solutions
Smart Mobility Lab
Parking Studies
Roundabout Design
Traffic Simulation
Adaptive Control Systems
Construction Plans
Transportation Planning
Details
- Year established: 1980
Highlights and features
- We offer 36+ years of specialized traffic engineering experience in Southern California.
- Our team includes licensed civil engineers and certified traffic operations experts.
- We implement cutting-edge ITS solutions like adaptive traffic control systems.
- Our Smart Mobility Innovation Lab tests advanced signal timing and equipment.
- We serve five Southern California counties with proven expertise in complex projects.
Associations and certifications
- California Microbusiness Certification #1789917
- Emerging Local Business Enterprise (ELBE) Certification #14US1149
Services
Traffic Impact Analysis
We conduct comprehensive traffic impact analyses to assess development effects on transportation networks. Our engineers evaluate access, parking, intersection capacity, and mitigation measures to meet regulatory standards while improving safety and traffic flow for public and private clients.
ITS Solutions
Our ITS solutions include adaptive traffic control systems like Rhythm InSync, ramp metering, and signal preemption. We integrate wireless/fiber communication networks to optimize traffic management, reduce congestion, and enhance transportation efficiency using the latest technology.
Signal Design
We design traffic signal systems for new construction and modifications, including pedestrian signals and roundabouts. Our Smart Mobility Lab tests timing plans and equipment to ensure reliable implementation of controllers from providers like Econolite and McCain.
Transportation Planning
Our planning services incorporate complete streets principles and microsimulation modeling. We analyze traffic generation, distribution, and assignment using software like Synchro and VISSIM to develop master plans that address congestion and environmental impacts.
Smart Mobility Lab
Our dedicated lab features hardware/software simulation capabilities for traffic signal controllers. We test adaptive control systems, communications protocols, and equipment functionality to validate designs before deployment, ensuring optimal performance of ITS solutions.
People
Andrew Schlaefli
CEO
Andrew Schlaefli, CEO, is a licensed civil and traffic engineer with expertise in San Diego transportation systems. He previously directed the City of San Diego's Transportation Planning Program and managed its Capital Improvements Program, bringing decades of municipal engineering experience to Urban Systems.
Justin Schlaefli
President
Justin Schlaefli, President, is a certified Professional Traffic Operations Engineer with 16+ years of experience. He specializes in ITS technologies, including adaptive traffic control and signal synchronization, and has managed complex multi-jurisdictional projects across Southern California.
Questions
What services does Urban System Assocation offer?
We specialize in traffic engineering, ITS solutions, traffic impact analyses, signal design, adaptive traffic control systems, transportation planning, and smart mobility innovation for public and private clients.
How long has Urban System Assocation been in business?
We have 36+ years of experience serving Southern California since our founding in 1980.
What areas do you serve?
Our services cover San Diego, Orange, Riverside, Imperial, and Los Angeles counties.
Do you have specialized engineering expertise?
Yes, our team includes licensed civil engineers, traffic engineers, and certified Professional Traffic Operations Engineers with advanced ITS capabilities.
What makes your firm unique?
Our Smart Mobility Innovation Lab allows hands-on testing of signal timing and equipment, while our Turbo Roundabout expertise demonstrates our commitment to cutting-edge transportation solutions.
