OR 99E (McLoughlin Boulevard): Naef Road to the Clackamas River Bridge > Online Open house
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Pedestrian Study

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Bicycle and pedestrian crash data has helped to inform project decisions.

Bicycle and Pedestrian Crash Data

A study was initiated as a result of citizen concerns along the OR 99E (McLoughlin Boulevard) corridor which encompasses the current ODOT project area from Naef Road to the Clackamas River Bridge. The crash data evaluated pedestrian and bicycle crashes between January 1, 2007 to April 30, 2012 from Naef Road (Milepost 8.99) to Arlington Road (Milepost 11.04).

The study found that within the 5 year-4 month period, there were a total of 322 reported crashes within this segment of highway. 17 were pedestrian crashes and 10 were bicycle crashes. Of the total number of crashes 15 (or 4.6%) were coded as night time crashes involving either a pedestrian or bicyclist.


An ODOT traffic investigator collected all the available crash data, pedestrian crossing counts, bus stop locations, potential traffic generators and existing pedestrian facilities for evaluation by ODOT Region 1 engineers. The available data concluded the following:

  • Data showed that pedestrian crossings within this segment of highway from Naef Road (Milepost 8.99) to Arlington Road (Milepost 11.04) are low and did not demonstrate a concentration of pedestrians crossing at any one specific uncontrolled intersection.
  • The pedestrian crash data is very random and spread out along the corridor, not showing a concentration of pedestrian activities at any specific location.
  • The existing crash data at this time show no pedestrian or bicycle crashes correlate with a lack of sidewalk; all recorded crashes occurred where there is existing sidewalk.
  • No recorded crashes occurred with pedestrians walking parallel to the highway.


As a result of the available data, ODOT Region 1 Traffic Engineers concluded that Rectangular Rapid Flashing Beacons (RRFB) or "pedestrian friendly" flashing yellow arrows on OR 99E approaches would not be installed as part of this project for the following reasons:

  • A Rectangular Rapid Flashing Beacon would have low usage, due to low pedestrian crossings.
  • A Rectangular Rapid Flashing Beacon would increase the number and severity of rear-end crashes, due to low usage.
  • A Rectangular Rapid Flashing Beacon would have low stopping compliance, due to low usage.
  • Having a dedicated pedestrian phase on OR 99E, which is a major arterial highway for the region, would have a large impact on operations in the area, which could result in more crashes if motorists do not obey the traffic signal. ODOT is adopting the practice of having the flashing yellow arrows not be operated the same time a pedestrian signal is called.

The decoded crash information that was reported to the State is available from the link below and is summarized within the map to the right.

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