Traffic Signal & System Design

As California’s roadways expand to move traffic at unprecedented rates, state-of-the-art traffic signal design is a vital part of maintaining traffic flow and safety. KOA specializes in traffic signal design, upgrades, timing and synchronization.

• Bellflower Boulevard 47 Traffic Signals Improvements in Long Beach, Downey, Bellflower,and Lakewood
• South Bay Fiber Optic Traffic Signal Interconnect System, National City, California
• Newport Avenue Extension Traffic Signal Upgrades at State Route 55 / Edinger Avenue Interchange, Tustin, California
  

Signal Synchronization

Public agencies utilize tools which aid traffic congestion mitigation and maximize traffic flow. For more than two decades KOA has developed effective plans to coordinate a variety of systems including Quik Net, BiTrans, and Icon systems. We are experienced with Type 170, Econolite, Multisonics, Traconex, electromechanical traffic signal controllers and others, as well as Caltrans timing systems.

• City and County of Honolulu 300 Traffic Signals Optimization
• Downtown Traffic Signal Coordination, Long Beach, California
• Traffic Signal Timing Improvements, City of San Ramon, California
  

Intelligent Trans Systems ITS

KOA Corporation has prepared design plans for a variety of Intelligent Transportation Systems (ITS) including changeable message signs (CMS), close circuit television (CCTV) cameras, vehicle detectors, highway advisory radio (HAR), ramp metering, photo enforcement and satellite communications equipment.

• Dynamic Message Sign and ITS Deployment Projects, Anaheim, California
• Jefferson Boulevard Automated Traffic Surveillance and Control (ATSAC) Gap Closure Project, Culver City, California
  

Worksite Traffic Control Plans

• Santa Monica Boulevard Transit Parkway Project, West Los Angeles, California – Winner of California Transportation Foundation (CTF) 2008 Roadway Project of the Year TRANNY Award
• Hollywood & Highland Entertainment Complex TCP, Los Angeles, California
• Our Lady of the Angels Cathedral TCP, Los Angeles, California