We deliver integrated transportation management solutions that keep North America moving—just as we’ve done throughout the world for more than 50 years.
We’re one of the world’s most trusted and respected transportation management companies, successfully managing traffic on more than 11,000 miles of road worldwide and managing 57 air traffic control towers and 3 meteorological stations in North America.
From metro traffic management to air traffic control and technical aviation services to driver examination services, we deliver comprehensive transportation management solutions that help keep people moving, safe and satisfied. Our integrated transportation management services include:
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Surface Transportation
From parking management to traffic and incident management to driver examination services, government depends on us to help keep the public safe and moving on the ground.
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Aviation Services
We have been managing airspace worldwide for more than 50 years. We are experts in aviation services, managing air traffic control operations, providing tower, approach/departure control, enroute, meteorological services and technical aviation services that help ensure the safety of aircraft and personnel.
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Fleet Management
We help ensure that your fleets operate at optimal levels in order to meet the demands of your customers and exceed their expectations. From routine maintenance to complete fleet program management, we have the experience and expertise to deliver reliable fleet management support.



