JMDiaz, Inc.
Civil EngineeringCalifornia, United States2-10 Employees
JMDiaz, Inc. is a California-based civil engineering firm that provides a broad range of transportation planning and design services. Its work encompasses highways, land development, traffic, and rail projects for local agencies, railroads, and private entities within California, aiming to deliver timely, innovative design solutions and improve quality of life through project outcomes. The company serves public sector clients, authorities, school districts, developers, and rail operators, addressing planning studies, feasibility assessments, traffic and transit analyses, and various civil and transportation engineering needs, along with program and project management support and funding assistance. Founded in 2001 by Juan M. Diaz and operating from a regional office in the City of Industry, the firm emphasizes experienced technical staff and a track record of responsiveness and collaboration across diverse transportation and site development initiatives. A recent development includes partnering with Iteris, Inc. to design and deploy a cloud-based transit signal priority system across hundreds of intersections, underscoring ongoing involvement in integrated transportation solutions.