DC Engineering Group is a Transportation and Civil Engineering firm based in Los Angeles California providing Transportation and Civil Engineering services to Metro, LADOT, LABOE and numerous other local agencies. DC Engineering Group has extensive experience in traffic and civil engineering design, transportation planning, and QA/QC for major Transportation Projects in southern California. DC Engineering Group has an outstanding leadership team with highly experienced Traffic and Civil Engineers recognized in Southern California for their experience and technical ability. Our Engineers and staff have complete understanding and knowledge of Metro and City of Los Angeles Policies and Procedures. We have established a great professional relationship with key personnel in Metro, LADOT and other city of Los Angeles agencies to be able to complete the projects on time and efficiently. Our company’s goal is to be a key team member and offer our engineering expertise and local agency knowledge to ensure the delivery of a successful project



Mr. Delpasand has over 32 years of engineering experience with City of Los Angeles. He has over 28 years of professional transportation engineering experience primarily with City of Los Angeles Department of Transportation and four years with Bureau of Engineering. Mr. Delpasand was the Engineer in charge of reviewing Signal Design plans and Sign and Striping plans for all Metro Rail, Metro and all other Governmental agencies projects prior to retiring from the City. Mr. Delpasand has reviewed and designed several thousand Traffic Engineering plans in his career with the City and working for private firms. Mr. Delpasand’s experience in the public sector as part of the Public Infrastructure Delivery team for the City of Los Angeles Department of Transportation, Mr. Delpasand has gained expert knowledge of all facets of traffic engineering and planning .Mr. Delpasand’s roles and responsibilities were to ensure LADOT policies and standards were maintained, coordinating with internal LADOT departments and other City agencies, and represent LADOT at design, construction, and operational meetings and presentations. Mr. Delpasand is a registered professional Civil and Traffic engineer in the state of California. Mr. Delpasand representative projects are;

  • METRO Rapid TPS Program
  • Expo LRT Phase I
  • Expo LRT Phase II
  • METRO Orange Line I & II
  • METRO 405 Sepulveda Pass Project
  • METRO Crenshaw LRT
  • Program Manager & Budget
  • METRO Westside Subway Extension
  • Regional Connector
  • Bikeways Design
  • ATSAC Projects
  • All Governmental Agencies
  • 4th Street HOV lane
  • Construction Engineer

Mr. Adolfo Mota, P.E.

Mr. Mota has over fourteen years of Civil and Traffic Engineering experience in both the public and private sector. Mr. Mota is a results-driven and highly accomplished Civil Engineer in design and management of public and private infrastructure projects. Mr. Mota has served in management roles on numerous projects requiring exceptional technical and communication skills. Mr. Mota’s design management experience includes; roadway design, roadway realignment, storm drain, water and wastewater system design, utility relocation, and grading design. Mr. Mota’s representative projects are;

  • I-405 Sepulveda Pass Widening Design-Build Project
  • 6th Street Viaduct Replacement Project
  • Restoration of Historic Street Car
  • I-710 Corridor Project-Soundwall Projects
  • Traffic Engineering Division/City of San Diego, San Diego, CA 2000 to 2003

Aaron Calderon

Mr. Calderon has over 15 years of experience in designing and managing transportation engineering projects in the Greater Los Angeles area. He has extensive experience in coordinating with public agencies, community interest groups and utility companies. Mr. Calderon has prepared numerous transportation related PS&E packages for regional and municipal agencies such as Caltrans, the Los Angeles County, MTA and various city transportation departments throughout the Southern California Region. Mr. Calderon has managed several large-scale Transportation projects for MTA and LADOT. Mr. Calderon has also conducted traffic impact studies and prepared reports for several environmental documents. Mr. Calderon’s representative projects are;

  • Expo LRT Phase I
  • METRO Orange Line BRT
  • METRO 405 Sepulveda Pass Project
  • METRO / GCCOG 605 Hot Spots Feasibility Study
  • Crenshaw/LRT
  • METRO Westside Subway Extension (Advanced Utility Relocation)
  • LADOT Santa Monica Transit Parkway Project