TRANSPORTATION DESIGN

HMH Engineering provides practical and cost-effective transportation solutions to help communities improve mobility, safety, and long-term functionality. With decades of experience in Idaho and western Montana, our engineers and planners bring a deep understanding of regional transportation needs and design standards.

OUR TRANSPORTATION DESIGN SERVICES
We offer a full range of transportation design and planning services, including:

    • Comprehensive route planning and geometric roadway design for urban and rural corridors

    • Integration of complete streets principles to enhance accessibility and multimodal travel

    • Corridor studies and long-range transportation planning

    • Review and analysis of existing intersection operations to identify deficiencies

    • Design improvements including geometric modifications, signage, and signalization

    • Individual intersection improvement projects or intersection components of larger roadway projects

    • Traffic counts and data collection

    • Stop sign warrants, signal warrants, and traffic impact analysis

    • Level-of-service (LOS) analysis for intersections and driveways

    • Detailed transportation planning studies tailored to each project

    • Traffic control plans including signage, striping, and construction phasing

    • Pedestrian, bicycle, and transit planning to support safe and accessible multimodal networks

OUR APPROACH
We design transportation systems that are safe, efficient, and sustainable. By combining technical expertise with local insight, we deliver solutions that meet regulatory requirements and community priorities. Our team collaborates closely with agencies, municipalities, and developers to identify project needs and provide clear, actionable designs.

WHO WE SERVE
We provide transportation design services for:

  • State and federal transportation agencies

  • Cities, counties, and highway districts

  • Private developers and design-build teams

  • Planning and transit authorities

We proudly serve communities throughout Idaho—including Coeur d’Alene, Ponderay, Lewiston, Meridian, Twin Falls, and Rigby—and now western Montana through our Missoula office.