zero

64m

80m

60m

annual average hourly volume

annual average daily traffic

thirtieth highest hourly volume

peak hourly volume of the year

average speed

spot speed

space-mean speed

time-mean speed

15th percentile

50 ″″percentile

85th percentile

98 ″″percentile

Traffic volume should always be more than traffic capacity.

Traffic capacity should always be more than traffic volume.

Spot speed is the average speed of a vehicle at a specified section.

85th percentile speed is more than 98th percentile speed.