Traffic Counts
- For Oregon
- Portland and Surrounding
Traffic Counts
- For Clark County
- Arterials
- Highest Volume Intersections
Distance Readability:
The following is based on a NESA test and verified by the California Institute of Technology. These distances are achieved with either black or red bold stroke block letters on a white background. Other color combinations could cause approximately ten percent variation in readership.
Conversion Reference Chart
Click image to enlarge.
