Field Location and Data Collection
Assuming that flow on this roadway increases gradually from very low to flow equivalent to the capacity of two lanes, the collected data measurements are plotted on all diagrams of Figure 7 as solid dots. While stations A, B, and D are operating only at two thirds of capacity and operating at relatively high speeds and low densities, station C has reached its capacity with significantly lower speeds and higher densities.
Figure 7 (repeated)
