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Welcome to TSMO,

the transportation systems management and operations website.

The Washington Department of Transportation (WSDOT) hosts this site for professionals to learn more about transportation strategies and concepts along a range of topics and disciplines.

Learn more about TSMO

Discover specific strategies and concepts articles

Filter a strategy to match your specific needs and criteria, such as by cost, technology or collaboration

Browse a list of categories

Browse the categories below to find related strategies and concepts and dive into an area of TSMO topics

Transportation center
Agency Collaboration & Coordination
Electric car
Automated & Connected Vehicles
Cars in a parking lot
Managing Transportation Demand
Transportation truck with signal
Operations & Supporting Infrastructure
Overhead view of roundabout
Physical Design Elements
Rider with a bike
Reducing Drive Alone Commute Trips
Truckstop full of semi-trucks
Road Freight Delivery
Signals at an intersection
Signal Operations
Group of travelers at a ferry terminal
Traveler Information
Construction on overpass
Work Zone & Construction

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Search the entire website based on the words you are most familiar with. You can also type in the search bar at the the top of the page

Learn more about common conditions

Connect the dots about issues that cross different categories and criteria. View groups of strategies that can work in complement or stand-alone to help address different kinds of transportation contexts and needs.