For instance, while watching the playback of the video, when a northbound left is observed, the analyst would push 1 on a keyboard, when a northbound through would occur, the analyst would push 2 on the keyboard. The traffic counting software exports a spreadsheet that registers the number pushed for each count and the time on the video that it occurred. From this, volume counts can be compiled. The data compiled was summarized into 5-minute intervals. Figure 5.7 below shows the peak interchange hourly counts that were collected, as well as the peak 15-minute, counts within that hour.
Stuck in traffic