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City engineers propose lane adjustments, buffered bike lanes to ease 60th/Borland congestion
Summary
Staff presented a conceptual design to reduce congestion at the 60th Avenue and Borland Road intersection, including a northbound right turn lane, a 'pork-chop' access control for one driveway, and buffered bike lanes; coordination with Washington and Clackamas counties and nearby property owners will follow.
Tualatin city staff and consultants presented a conceptual design Feb. 10 aimed at reducing recurring congestion where Southwest 60th Avenue meets Borland Road and Saggart Avenue, and said county partners favor the plan.
Mike McCarthy, city engineer, and Abby McVetridge, engineering associate, described the project background and traffic analysis. The intersection currently experiences peak-period congestion that causes queuing as far back as the Horizon School area, McVetridge said; the consultant's analysis and turning-movement counts found the Borland/60th intersection operating at level-of-service E, below the city standard, while Saggart/60th was operating at D.
The concept presented would add a northbound right-turn lane on 60th, shift some through and turning movements with a partial access control (commonly called a "pork-chop") at a private property drive to limit lefts and through movements there, and…
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