In today’s economy and world of ever-decreasing resources, SGM engineers are not only asked to produce an accurate set of engineering plans from design codes and mathematical equations, but also are required to balance factors such as economy of materials, energy efficiency, aesthetics and constructability. Because of SGM’s long history in the Roaring Fork Valley and throughout the western slope of Colorado, the SGM name has become synonymous with quality and professionalism. Ultimately, our goal is to provide top-notch engineering design through the use of innovative solutions and personalized professional client service.

What We Provide

The Transportation Team provides engineering services for all aspects of transportation and traffic engineering. Working in the private and public sectors, the transportation team develops practical, cost-effective solutions to today’s growing transportation network. The individual planning, design and construction experiences of our team members combine to form a diverse technical skill-set in the following areas:

Traffic Planning, Forecasting and Analysis

  • Traffic Impact Studies and capacity analyses
  • Transportation master plans
  • Corridor and feasibility studies
  • Safety analyses
  • Capital Improvement Plans
  • Development of street standards
  • Facilities assessments and inventories

Transportation Systems Design

  • Intersections, roundabouts and traffic signals
  • Rural roadways, urban highways and driveways
  • Trails, subdivisions and parking lots
  • Walls, piers, culverts and prefab structures
  • Construction traffic control and phasing plans
  • Signing and striping plans
  • Cost estimation
  • Specification preparation

Development Review and State Highway Permitting

  • Final preliminary and design review of development plans
  • Access Permits
  • Utility and Special Use Permits

Construction Management

  • Construction inspection and quality control
  • CDOT pre-qualified, certified inspectors

Technical Competencies

The SGM Transportation Team remains at the top of our industry by staying engaged with numerous affiliations, continually seeking out professional education opportunities for our team members, utilizing the latest design and drafting software and keeping current with evolving municipal and industry standards.
Through active participation in our professional affiliations, we are able to keep abreast of the latest changes to the design standards; to have access to continuing education; and to tap into networks of professional resources – all of which enable us to provide our clients with quality, state-of-the-practice design services. SGM’s Transportation Team members belong to the following professional organizations:

ASCE – American Society of Professional Engineers
ITE – Institute of Transportation Engineers
NSPE – National Society of Professional Engineers
ACI – American Concrete Institute

We use the latest analysis and design software packages to model and draw proposed conditions to produce a successful project for our clients. The use of AutoCad Civil 3D, Sychro 7 and other graphics-based software applications allows us to provide detailed renderings and animated models to convey the impacts of a project to the client prior to construction.

Meet the Transportation Team

For more information about our Transportation Team services, please contact Dan Cokley, PE, PTOE by email or phone at 970.945.1004.

  • Ashley Cline, PE
    Ashley Cline, PE Transportation Team Leader, Glenwood Springs
  • Dan Cokley, PE, PTOE
    Dan Cokley, PE, PTOE Principal Engineer, Glenwood Springs
  • Eric Mahoney
    Eric Mahoney Engineer I, Glenwood Springs
  • Jake Livermore, PE
    Jake Livermore, PE Engineer III, Glenwood Springs
  • Michael Morrison
    Michael Morrison Engineer, Glenwood Springs
  • Richard ‘RC’ Saindon, PE
    Richard ‘RC’ Saindon, PE Lead Field Engineer, Glenwood Springs


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