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TRANSPORTATION

Infrastructure solutions that improve our communities

OUR SERVICES

Civil engineering

CIVIL ENGINEERING

Improving quality of life and spurring economic development are at the core of everything we do. We are passionate about local transportation design and delivering on every benefit.
 
 

Land surveying

LAND SURVEYING

From land acquisition through to construction, our land surveyors will keep your transportation project moving in the right direction.
 
 
 

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LANDSCAPE ARCHITECTURE

Urban streets are being redefined to capitalize on their ability to improve the environment, boost the local economy and increase quality of life. Our streetscape designs bring added value to your roadway projects by getting people out of their cars and into the community.

Construction management & inspection

CONSTRUCTION MANAGEMENT & INSPECTION

Our construction management & inspection service was built on transportation projects, so we're qualified to oversee projects of just about any scale, large or small. Our team will handle the construction details, giving you peace of mind.

PUBLIC INVOLVEMENT

PUBLIC INVOLVEMENT

Our public involvement approach stems from our values in honesty and relationships. We strive to provide an environment where citizens and stakeholders can create effective and meaningful dialogue about projects in their communities and to ensure our client's success.

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ENVIRONMENTAL

With a combination of pre-construction environmental permitting and construction inspection expertise, our staff is uniquely positioned to provide the most highly constructible projects while minimizing environmental impacts. Your project will be permitted and constructed right from the start.

OUR EXPERTISE

Complete streets

Complete Streets

Our Complete Streets approach turns roadways into multi-modal facilities that are also welcoming and accessible to pedestrians, cyclists, and transit riders. We can make your street project a community asset with ongoing benefits that you can be proud of.

Roundabouts

Roundabouts

Roundabouts are gaining popularity in the U.S., and MacKay Sposito is a regional expert in roundabout design. From standard single-lane to multiple lanes with separated bicycle facilities, our experienced team can make your roundabout project a solid reality, even in challenging topography.

Low impact development

Low Impact Development

We believe that nature provides the best models for managing rainfall, so we follow its lead when designing stormwater solutions. Filtering, infiltrating and detaining runoff at its source greatly lessens environmental impacts while reducing your infrastructure costs.

Practical solutions

Practical Solutions

Practical solutions are essential for achieving the best results with limited funds. MacKay Sposito identifies the specific problem and then chooses the most effective solution. We'll help you get the best value for your budget.

A SNAPSHOT OF OUR WORK

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Wilsonville OR

SE 1ST STREET IMPROVEMENTS - 164TH AVE TO 192ND AVE

City of Vancouver

Project Highlights:

  • Improvements to an existing two-lane arterial, upgrading it to principal arterial standards
  • Federally-funded project
  • Project is being designed as a Complete Street for multi-modal transportation
  • Key features will include a roundabout, separated (protected) bike lanes, and a Dutch intersection

Pacific County WA

SR105 – Washaway Beach UAV Services

Washington State Department of Transportation

Project Highlights:

  • 4-mile UAV orthomosaic aerial photo survey
  • Stitched together and assigned geographically referenced data points to create a 3D map
  • The hour-long flight provided as much survey data as a ground crew could produce in a week

Kennewick WA

Hildebrand Roundabout

City of Kennewick

Project Highlights:

  • New roundabout design
  • Challenging design due to steep cross-slope
  • Intersection of Hildebrand and US-395 also redesigned
  • WSDOT intersection approval received

Kennewick WA

Clearwater Avenue – Safe Clearwater

City of Kennewick

Project Highlights:

  • Planned and led public involvement and stakeholder outreach for proposed improvements to a 5.4-mile arterial corridor
  • Prepared and maintained the project website
  • Facilitated three (3) public open houses, including a virtual open house

QUESTIONS? rEACH OUT TO US!

CONTACT

ABOUT US:

At MacKay Sposito, we deliver infrastructure solutions and excellence in leadership while advocating for a better tomorrow. We focus on people, building strong and lasting relationships with our co-workers, clients, and communities. Our Civil Engineers, Land Surveyors, Construction Managers and Inspectors, Landscape Architects, and Environmental Specialists stand in your corner and demonstrate selfless dedication because we believe in the work you do and the value it provides to our communities.

We serve so our communities thrive.

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