RY Engineering Inc.
Transportation and Traffic Engineering Solutions for California Public Agencies
About the firm
RY Engineering Inc. is a civil engineering firm specializing in traffic and transportation engineering for public agencies. Headquartered in Aliso Viejo and serving projects throughout California, RY Engineering provides hands-on, principal-led support from initial concept and planning through design, construction support, and post-construction services. Principal involvement on every project ensures technical accuracy, accountability, and clear communication across all phases. Agency experience includes coordination with Caltrans, LA Metro, LAWA, OCTA, and local jurisdictions, with a demonstrated understanding of agency standards, review processes, and approval requirements.
- Team
- Micro
- Firm type
- Civil Engineering · Transportation Engineering
Credentials
Professional Engineer Civil - State of California, License No. 95863
Capabilities
Signal Timing and System Operations
Service websiteSignal timing, corridor retiming and synchronization, and operational analyses to support safe and efficient roadway and corridor performance.
- Timing Plan Development
Development of signal timing plans to optimize traffic flow and corridor performance.
- System Optimization
Corridor-level signal system optimization and synchronization.
- Signal Start-Up and Implementation Support
Field deployment and Traffic Management Center (TMC)-based implementation, including post-implementation fine-tuning, performance monitoring, and ongoing operational support.
Traffic Design and Multimodal Solutions
Service websitePreparation and review of traffic engineering design elements including roadway striping, signing, traffic signal plans, and multimodal facilities, in accordance with ADA, Caltrans MUTCD, and applicable local and state standards.
- Complete Streets and Corridor Retrofit
Design of Complete Streets elements to enhance safety and accessibility for all users, including bicycle and pedestrian improvements.
- Constructability Review and Construction-Phase Support
Design coordination, constructability review, and construction-phase support to carry operational intent through to final implementation.
Intelligent Transportation Systems
Service websitePlanning and design of ITS infrastructure including CCTV, fiber-optic communications, traffic signal systems, and advanced traffic management infrastructure to support system integration, monitoring, and coordination.
Traffic Studies and Modeling
Service websiteTraffic and transportation studies and modeling to support planning, environmental review, and design decisions for public agency projects, incorporating VMT evaluation and regional travel demand model outputs.
- Traffic Engineering Performance Assessments (TEPAs)
Operational and impact analyses coordinated with Caltrans and local agencies.
- Transportation Operations Analysis Reports (TOARs)
Transportation operations analyses supporting planning and design decisions.
- Transportation Impact Studies (TIS)
Impact studies incorporating VMT evaluation and SCAG regional travel demand model outputs.
- Microsimulation
Traffic microsimulation using Synchro/SimTraffic, VISSIM, and Aimsun to support data-driven decision-making.
Project Management and Agency Coordination
Service websiteEnd-to-end project management across planning, design, and implementation phases, including coordination with local, regional, and state agencies, stakeholder communication, and quality control. May include staff mentoring and knowledge transfer related to traffic engineering and project management practices.
Emergency Transportation Planning
Service websiteDevelopment of resilience strategies, evacuation route planning, and scenario-based analyses to support emergency preparedness and response for public agencies.
Industries
Transportation · Highways & Roads · Government · Infrastructure
Projects
No projects listed yet.