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TransportCreating Networks that Connect People & Drive Progress.

Modern transport networks depend on safe, seamless, and reliable mobility. MacKay brings deep civil, environmental, and structural expertise to major initiatives nationwide. With a thorough understanding of how complex projects are funded, procured, and delivered, our experienced team partners with public agencies and private clients to keep people, goods, and communities moving forward.

We function as a true extension of our clients’ teams—validating institutional knowledge, anticipating challenges, identifying cost and schedule savings, and strictly adhering to the communication protocols that large transport programs demand. Whether serving as prime consultant or subconsultant, our standard of performance never changes. We specialize in navigating intricate project lifecycles with federal agencies, state DOTs, toll authorities, rail networks, and aviation systems. Through agile and responsive project management, we build relationships, understand program needs, align teams, and ensure all disciplines and personnel are the best qualified and most effective fit for the work.

Our Transport Expertise

  • Aviation

    From major international terminal redevelopments to regional airfield enhancements, we help clients build modern, high-capacity air infrastructure. We support airport authorities with complex airside engineering, responsive project management, noise analysis, permitting support, taxiway and electrical services, and environmental planning to keep passenger and cargo operations moving safely and efficiently.

  • Highways

    We partner with state DOTs, toll authorities, and regional agencies to improve roadway safety, reduce congestion, and enhance corridor connectivity. Combining regional expertise with a nuanced understanding of agency procurement processes, we deliver planning and design, environmental permitting, and program management to deliver resilient infrastructure that serves surrounding communities.

  • Rail & Transit

    Supporting Class I railroads, commuter networks, and regional transit authorities, we bring specialized civil and environmental engineering to complex rail corridors. Our personnel hold critical safety certifications and ensure strict compliance while executing track extensions, intermodal support, and facility upgrades. We leverage institutional knowledge and local presence to deliver effective, reliable, and long-term project support.

  • Workers use an orange boom lift beneath a bridge while black tanker railcars pass alongside

    Structures

    We design and engineer durable structural assets that withstand heavy operational demands. We collaborate closely with public agencies, transit entities, and teaming partners to manage environmental constraints, site logistics, and complex stakeholder requirements. Our structural solutions focus on long-term safety, asset longevity, and seamless integration into surrounding urban and natural environments.

Our Impact

Our work streamlines mobility, drives economic growth, and brings people together. From critical local repairs and urban transit extensions, to multi-billion-dollar tollway programs and major international airport redevelopments, we deliver projects that enhance regional connectivity. We actively pursue strategic alignment with our clients’ long-term capital programs—ensuring that today’s work fits seamlessly into tomorrow’s vision, and that every dollar invested in infrastructure delivers lasting value. The result is safe, accessible, and resilient transportation corridors that are designed, built, and delivered to serve surrounding populations for generations to come.

Our Impact

Our work streamlines mobility, drives economic growth, and brings people together. From critical local repairs and urban transit extensions, to multi-billion-dollar tollway programs and major international airport redevelopments, we deliver projects that enhance regional connectivity. We actively pursue strategic alignment with our clients’ long-term capital programs—ensuring that today’s work fits seamlessly into tomorrow’s vision, and that every dollar invested in infrastructure delivers lasting value. The result is safe, accessible, and resilient transportation corridors that are designed, built, and delivered to serve surrounding populations for generations to come.

Our Transport Services

  • Insights & Analytics

    • Geodetic Control Networks & High-Accuracy Base Mapping
    • Bridge Foundation Geotechnical Investigations
    • Mobile LiDAR & 3D Laser Scanning for Corridor Mapping
    • Crash Data Analysis, Safety Audits, & High-Injury Network Mapping
    • Enterprise GIS Database Integration for Linear Referencing Systems (LRS)
    • Corridor Right-of-Way (ROW) Acquisition Constraints Mapping
  • Planning & Design

    • Highway, Intersections, & Interchange Geometric Design
    • Rail Spur, Siding, & Intermodal Facility Civil Design
    • Aviation Runway, Taxiway, & Apron Civil Design
    • Traffic Signal Optimization, Coordination, & ITS (Intelligent Transport Systems) Design
    • Corridor Visualizations & Right-of-Way Landscape Design
    • FAA Airport Layout Plan (ALP) Amendment Coordination
    • Railroad Encroachment & Crossing Permitting
    • State DOT Access Management & Driveway Permits
  • Compliance & Permitting

    • State DOT Standard Compliance & Approvals
    • FAA Form 7460-1 Clearances & Airport Layout Plan (ALP) Consistency
    • Work Zone Traffic Control & Maintenance of Traffic (MOT) Approvals
    • Section 401/404 Clean Water Act Permitting
    • Air/Water/Land Environmental Permit Maintenance Tracking
  • Project Delivery

    • Automated Machine Guidance (AMG) Survey Model Prep
    • Independent Quality Assurance (QA) Inspection
    • Post-Construction Traffic Flow Studies & Signal Fine-Tuning
    • As-Built Field Data Collection Apps for DOT Asset Systems
Turkish Cargo airplane parked on the airport tarmac behind a chain-link fence topped with razor wire
Smiling bearded man wearing glasses, a blue suit, and white shirt

Luis Montgomery, PE

Transport Market Sector Lead

I am excited to help MacKay build the Transport Market Sector across the country. We have so many talented engineers, landscape architects, and technical staff who can apply their experience to work with state DOTs, aviation, and rail clients.