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Columbia River Crossing
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Capacity
The maximum number of vehicles that a given section of roadway or traffic lane can accommodate in one direction in one hour.
Collector Distributor Lane
A parallel roadway designed to remove weaving from the main line and to reduce the number of mainline entrances and exits.
Commuter
A person who travels by car or mass transit regularly between home and work or school.
Component
A specific idea or element proposed to address one or more of the identified needs in the I-5 bridge influence area. For example, each of several viable river crossing ideas is a separate component in the river crossing category. Bus rapid transit and light rail transit are two different components in the transit category. Each of the alternatives proposed will be composed of several different transportation related components.
Congestion
Occurs when the demand is greater than the transportation system’s capacity. Recurrent congestion is caused by constant excess volume compared to capacity. Nonrecurring congestion is caused by actions such as special events and/or traffic incidents.
Context Sensitive Solutions
A collaborative, interdisciplinary approach that involves all stakeholders to develop a transportation facility that fits its physical setting and preserves scenic, aesthetic, historic and environmental resources, while maintaining safety and mobility.
Corridor
Highway lanes and associated right of way and the adjacent area that is visible from and extending along the highway. The distance the corridor extends from the highway could vary with different basic qualities.
Cut-through
Traffic not originating in, or destined to, the immediate neighborhood.
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Glossary of Terms