Page 15 - Wash Co First and Last Mile Background Report

TECHNICAL MEMO #1

Figure 2-3 Commute Mode Share Patterns in Washington County

Mode Share
Home Work Drive
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Location Location Alone Transit Carpool Bicycle Walk Other
Washington
County 72.9% 3.3% 10.0% 1.3% 3.9% 8.7%
Washington
County Outside
Washington 76.1% 12.1% 10.1% 0.3% 0.4% 0.9%
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County
Washington 83.4% 4.4% 10.0% 1.1% 0.4% 0.7%
Outside County
Washington Outside
County Washington 68.8% 7.3% 9.6% 2.7% 3.7% 7.9%
County
Notes: (1) The regions in “Outside Washington County” include Multnomah, Clackamas and Clark Counties. (2) Other
modes include motorcycle, working from home, taxis, and other.
Source: Census Transportation Planning Products, 2006-2010

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Oregon law requires all employers in the Portland metro area with more than 100 employees
at a work site to develop a transportation demand management program to reduce single-
occupancy vehicle trips to work by 10 percent within three years. The purpose of this program is
to comply with federal regulations to reduce smog levels in the Portland area. These
employment sites, known as Employer Commute Options (ECO) sites, are shown in Figure 2-4.
Each site is classified by the percent of employees who do not drive alone to work—non- SOV
mode share. Non-SOV includes taking transit, ridesharing, biking, walking, and telecommuting.
A large number of the ECO sites in the Beaverton and Hillsboro area report a relatively high
percentage (over 40 percent) of employees who do not drive alone to work. Additionally, some
ECO sites along frequent bus service routes have a high concentration of non-SOV commuters.

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The law only applies to employers within the Portland Air Quality Maintenance Area.

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