DC Engineering Group

DC Engineering Group was founded by Mr. Morteza Delpasand and Mr. Aaron Calderon in 2012

About us


DC Engineering Group was founded by Mr. Morteza Delpasand and Mr. Aaron Calderon in 2012 as a General Partnership. The firm’s foundation was built upon Mr. Delpasand’s 34 years of Public sector experience (City of Los Angeles Department of Transportation) and Mr. Calderon’s 16 years of private sector experience.

The firm is located at 312 E. 1st Street, suite 230, Los Angeles, CA 90012. The firm consist of 5 key personnel along with multiple administrative staff. DC Engineering Group is a Metro certified DBE/SBE Traffic, Transportation and Civil Engineering firm based in Los Angeles California providing Transportation and Civil Engineering services to Metro, Caltrans, City of Los Angeles, and many other Governmental agencies. DC Engineering Group has extensive experience in QA/QC and preparing or modifying Signal Design, Signing and Striping, Street Lighting, Worksite Traffic Control and Detour plans for major Transportation Projects.

DC Engineering Group has an outstanding leadership team with highly experienced Transportation Engineers recognized in Southern California. Our Engineers and staff have complete understanding and knowledge of Caltrans, LA County, City of Los Angeles, and local agency Policies and Procedures for participating in joint projects between the agencies. We have established a great professional relationship with key agency to be able to complete projects on time and efficiently.

Our Services


Civil Engineering

Roadway Design, Drainage Design, Sewer Design, Project Management and Coordination

Traffic Engineering

Signing and Striping Design, Traffic Signal Design, ATSAC Design & Interconnect, Street Lighting Design, Worksite Traffic Control / Maintenance of Traffic, ITS, BRT, Fiber Optic Communications, Detour Plan, CCTV Design

Transportation Planning

Traffic Analysis, TMP, Global Coordination

Project Coordination

Local Agency Coordination

QA/QC

Traffic Engineering Plans, Transportation Planning Documents/Analysis, Civil Engineering Plans

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Get in touch


Main Office
DC Engineering Group
312 East 1st Street, Suite 230
Los Angeles, CA 90012
P: : 213-628-3023
Fax: 213-628-3024