traffic

Jefferson Exchange | June 24, 2014 | 8:00
10:10 am
Tue June 24, 2014

Traffic Cameras That Change The Lights

Credit Wikimedia

Alex Georgevitch describes the workings of the new traffic light systems.

Anybody who's been driving for a while learns to look for the devices buried in the pavement that trigger changes in traffic lights. 

But those old devices--you know, make sure your car is directly over the sensor--are being replaced. 

Now cameras are being used to gauge traffic waiting for a green light. 

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Jefferson Exchange | January 28, 2014 | 8:30
11:02 am
Tue January 28, 2014

Oregon Traffic Fatalities Running Low

Credit Ken Lund

Troy Costales from ODOT explains how highway traffic fatalities are tallied.

Before the turn of the century, Oregon's annual number of traffic fatalities was generally worse than the national average. 

What a turnaround.  The preliminary numbers for last year show a number--316--that has been this low only once since World War II. 

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Jefferson Exchange | October 1, 2013
10:05 am
Tue October 1, 2013

Traffic-Calming or Driver-Irritating? The "Road Diet" Explored

Two lanes become one in a road diet
Credit Geoffrey Riley/JPR

Mike Faught, Kim Parducci, and listeners discuss the "road diet" concept.

There are few middle-of-the-road (sorry) opinions about the concept known as "road diet."

This is the process of taking a four-lane road and turning it into a two-lane road with center turn lane and expanded bike lanes. 

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