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For purposes of this chapter, the following definitions apply:

A. “Concurrency” means a requirement of the Growth Management Act (RCW 36.70A.070(6), now or as hereafter amended) that the city must enforce an ordinance precluding approval of a proposed development if that development would cause the level of service of the transportation system to fall below the city’s adopted standard, unless a financial commitment is in place to complete mitigating transportation improvements or other strategies within six years. Transportation demand management or other mitigation strategies may be used as allowed by this code.

B. “Development” means any construction, improvement, or expansion of a building, structure, or use for which a permit, approval, or other authorization is required that creates additional demand and need for transportation improvements.

C. “Director” means the director of the transportation department for the city of Bellevue, the director’s authorized representative, or any representative authorized by the city manager.

D. “Fully funded project” means a transportation system project or that portion of a project in the most recently adopted Capital Investment Program (CIP) plan for the city which has sufficient funding committed for construction.

E. Level-of-Service (LOS) Standard. Comprehensive Plan Transportation Policy TR-28 establishes the city’s transportation LOS standard. This chapter regulates compliance with the transportation LOS standard using the concept of plan-based system completeness as measured by mobility units. To determine compliance with the transportation LOS standard, the city annually measures the mobility unit demand from all new development and the mobility unit supply available from the city’s six-year CIP plan. The transportation LOS standard is met when the mobility unit supply is greater than or equal to the mobility unit demand.

F. Mitigation. For the purposes of this chapter, mitigation means reducing the mobility unit demand created by a development to less than or equal to the mobility unit supply available, or increasing the mobility unit supply available to equal to or more than the mobility unit demand created by a development through the methods described in this chapter.

G. “Mobility unit” or “MU” means the key metric the city uses to determine compliance with the level of service (LOS) standard. Mobility units measure both demand and supply.

H. “Mobility unit demand” or “MU demand” means the total number of net new p.m. peak period person trips generated by a development weighted by mode and dependent on land use.

I. “Mobility unit supply” or “MU supply” means MUs created when the city obligates funds through the CIP plan to build new transportation facilities that support growth.

J. “Person trip” means a new trip to or from a development made via any mode of travel. Person trips include vehicle, walk, bike, transit, and other modes (wheelchair, shuttle, scooter, etc.).

K. “P.M. peak hour” means the one hour of highest volume of person trips entering and exiting the site between the hours of 3:00 p.m. and 7:00 p.m.

L. “System completeness” means the implementation of a transportation system provided by the city that aligns with a given amount of growth to improve mobility for all modes of travel.

M. “Transportation demand management” means strategies designed to increase the efficiency of existing capital transportation facilities, including, but not limited to, transit and ridesharing incentives, flexible working hours, parking management, and pedestrian and bicycle network enhancements to decrease single occupancy vehicle trips. Minimum transportation demand management requirements for development are defined in BCC 14.60.070.

N. “Transportation system” means a network of facilities that provide mobility for pedestrian, bicycle, transit, or vehicle modes of travel. (Ord. 6667 § 2, 2022.)