City Engineering

Interwest provides comprehensive City Engineering services and resources to meet local community project and program needs including full or partial Public Works Director, City Engineer, City Traffic Engineer, and engineering staff outsourcing. Our City Engineering group is entirely devoted to helping our clients ensure their community’s tax dollars are wisely invested.


  • Development, Management and Implementation of Local Capital Improvement Programs
  • Private Development Entitlement and Plan Review
  • City Traffic Engineering
  • Capital Project Design
  • Construction Management and Inspection
  • As-Needed Interim Engineering Staff Support at all Levels
  • Development and Administration of Storm Water Management Programs
  • Preparation of Sewer and Storm Drain Master Plans and Pavement Management Plans
  • Grant Writing and Administration

Key Contact

James G. Ross, Public Works Group Leader
(949) 612-2534

Featured Projects

City Engineering Services

City of San Juan Capistrano

Since 2013, Interwest Consulting Group has provided San Juan Capistrano with City Engineering Support Services including Capital Improvement Project implementation, Traffic Engineering and Development Engineering. Our team has assisted in the delivery of such notable projects as the La Novia and I-5 Roundabout, the first roundabout in the City, as well as the construction of a new freeway interchange at Ortega Highway and I-5 in close coordination with Caltrans.

City Engineering Services

Client: City of Eastvale

Since 2010, Interwest has provided the City of Eastvale with Public Works and City Engineering services, including the development and implementation of their Capital Improvement Program, processing and conditioning of proposed Private Development Projects, and Traffic Engineering Support. Our Interwest team has aided in the delivery of cost-effective services through the preparation of fiscally prudent and conservative operating budgets, inclusive of identifying innovative methods to efficiently transition services from the County of Riverside.

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