It doesn’t look like much, but the City of Portland has just installed a high-tech new device on the Eastbank Esplanade between the Hawthorne and Morrison bridges (north of SE Salmon). It only stands a few feet tall but it’s stature in the wonky circles of bicycling and walking mode-share metrics is much larger than that. The device will give the Bureau of Transportation, Metro, and the Portland Parks & Recreation bureau access to more detailed data about how many and what type of users are on the path.
All you can see on the outside of the small pillar is a circular eye that faces the path and a photovalic (solar) panel on the top that provides the power. Over the weekend crews cut a small notch in the path’s pavement and buried sensors under the pavement. The device itself is a HI-TRAC CMU (cycle monitoring unit) model made by Pennsylvania company Jamar Technologies. According to the Bureau of Transportation, it cost about $7,500 but Jamar donated all the equipment and PBOT only paid for the labor to install it.
Here’s more from Jamar about the device:
The HI-TRAC CMU is a small, low powered, low cost electronic system capable of monitoring bicyclists and pedestrians. The CMU can use either piezo-electric or loop sensor technology to detect bicycles in either dedicated cycle ways or mixed traffic lanes as well as a pyroelectric infrared sensor to detect pedestrians.
As various types of traffic cross the path of the device, Jamar’s “unique algorithms” calculate the number of axles in the vehicle, the direction of the person/vehicle, its speed and its length. By doing that it can tell whether the object was a bicycle or a scooter or a skateboard, or a person walking.
Portland’s Bike Coordinator Roger Geller told us this morning that the location of the counter was chosen for several reasons. First, he said, it’s in a place where it should be relatively easy to capture all the people walking and biking by it. The City already has historical counts at this same location so the new numbers will add to an existing dataset. “In addition,” Geller shared via email, “we wanted a busy, high-visibility location that would provide a good test of the counter’s ability to provide accurate data about both people walking and people bicycling.”
Where will all this data go? It’ll be collected and managed PBOT. For now it will be stored internally but will eventually be available to the public via PortlandMaps.com. Geller says PBOT and the Parks bureau will use the data to inform planning decisions. Metro also wants to use it to help calibrate their regional travel demand models.
Learn more about the latest technology counting your bike rides at Jamar’s website.
— Jonathan Maus, (503) 706-8804 – email@example.com
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