Evaluating the Effects of a Congestion and Weather Responsive Advisory Variable Speed Limit System in Portland, Oregon
Variable speed limits -- Oregon -- Evaluation, Roads -- Oregon -- Speed -- Evaluation, Electronic traffic controls -- Evaluation, Traffic congestion -- Management -- Oregon -- Evaluation, Traffic flow -- Oregon -- Management -- Evaluation, Automobile driving in bad weather -- Safety measures -- Evaluation, Traffic accidents -- Oregon -- Evaluation, Traffic safety -- Oregon -- Evaluation, Travel time (Traffic engineering) -- Oregon -- Evaluation, Civil Engineering, Transportation Engineering
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