Vehicle technology is changing how drivers, vehicles, infrastructure, and transportation agencies interact. The Alaska Department of Transportation & Public Facilities (DOT&PF) monitors these developments and prepares the public transportation system for technologies that may affect safety, mobility, operations, maintenance, and infrastructure investment.
The department's role includes infrastructure readiness, vehicle-to-everything communications, ITS integration, standards, data exchange, policy coordination, partnerships, and evaluation of potential applications under Alaska conditions.
Alaska is a demanding place for automated technology. A system that performs well on a mapped, fair-weather highway may encounter snow-covered markings, blowing snow, ice fog, low sun angles, darkness, frost, communications gaps, long distances between services, and roads with no nearby alternate route.
Connected vehicles exchange information with other vehicles, roadside infrastructure, travelers, or networks. Vehicle-to-everything, or V2X, is the general term for these communications. Depending on the application, V2X can provide information about traffic-signal timing, work zones, road weather, queues, incidents, pedestrians, emergency vehicles, and other conditions that may not be visible to a driver or onboard sensor.
Automated vehicle technologies perform part or all of the driving task under defined conditions. Many vehicles available today include driver-assistance features, but those features do not necessarily make a vehicle self-driving. The driver's responsibilities depend on the capability being used and the conditions in which it is designed to operate.
Connectivity and automation can operate separately, but they may also complement each other. Connected infrastructure can provide information beyond a vehicle's direct line of sight, while automated systems use onboard sensing and software to perform driving functions.
Driver-assistance systems such as hands-free highway driving operate only on roads and under conditions defined by the manufacturer. Coverage maps, vehicle equipment, weather, lane visibility, construction, and other conditions can affect availability. A system may be offered in Alaska without covering every Alaska highway, and a mapped road does not mean the system will operate in every condition.
Drivers should understand the capability installed in their vehicle, follow the manufacturer's instructions, watch for system status and takeover requests, and remain responsible whenever the system requires driver supervision. Driver-assistance features should not be described as fully automated or universally self-driving.
Alaska presents demanding operating conditions for both people and machines. Snow and ice can obscure pavement markings and signs. Extreme cold, blowing snow, low sun angles, darkness, long distances, limited alternate routes, and uneven communications coverage can affect sensors, positioning, connectivity, and emergency response. These conditions make careful testing and realistic operating limits especially important.
Infrastructure readiness does not mean redesigning every road for a particular vehicle or manufacturer. DOT&PF is focusing on durable public capabilities that can support multiple users and technologies, including consistent traffic-control information, reliable communications, interoperable data, well-maintained signs and markings, connected intersections, cybersecurity, and clear operating procedures.
DOT&PF is developing an initial connected-intersection corridor along Airport Way in Fairbanks. The concept builds on existing state-owned traffic signals, fiber communications, and local operations infrastructure by adding roadside radios and processing where appropriate.
Potential applications include signal phase and timing information, lane-level intersection maps, traveler information, emergency-vehicle support, queue and near-miss awareness, and information for people walking or bicycling. Connected information may reach equipped vehicles directly and can also support mobile traveler-information services, allowing useful applications to begin before most vehicles carry dedicated V2X equipment.
The corridor will be developed through systems engineering and coordinated with existing signals, communications networks, central software, cybersecurity practices, and national standards so the pilot can support future expansion rather than remain an isolated demonstration.
Roadside radios are only one part of a connected-intersection deployment. Useful applications also depend on accurate signal timing and lane geometry, trusted messages, certificate management, communications, monitoring, software configuration, testing, operations, maintenance, and coordination with the agencies and fleets that use the information. DOT&PF applies systems engineering and ITS architecture so these pieces are designed as a durable public service rather than as stand-alone equipment.
The Alaska Connected and Automated Vehicle Working Group brings together state and local agencies, transportation organizations, researchers, industry, and other stakeholders. The group provides a forum for sharing information, identifying Alaska-specific needs, coordinating policy and infrastructure considerations, and helping the state respond to a rapidly changing technology environment.
DOT&PF does not endorse a particular vehicle manufacturer or technology platform. The department evaluates connected and automated transportation from its responsibilities as a transportation infrastructure owner and operator, with attention to safety, public benefit, interoperability, privacy, cybersecurity, maintainability, and appropriate use of public resources.
View the Alaska CAV Working Group Charter
Learn about V2X from the U.S. DOT ITS Joint Program Office
Learn about automated vehicle safety from NHTSA