Travel time study can be conducted using the average vehicle, moving vehicle, license
plate, direct observation, or interview method. The first two methods require test vehicles, while the other methods do not.
For a variety of reasons, most traffic counts are conducted manually. A principal reason is time; studies conducted for duration of less than 8 to 10 hours do not justify the effort required to set up automated counting equipment, unless such equipment is already permanently installed at the site. A second reason is that certain types of information such as turning movements, pedestrian counts are more easily and accurately obtained using manual techniques. Manual counts may be quickly planned, require little equipment, and are relatively cheap; except for the labor cost of those conducting the study. Therefore manual counting was opted.
At each approach one trained person was placed to collect traffic volume