A Study on Travel Time Estimation of Diverging Traffic Stream on Highways Based on Timestamp Data

Table 1

Descriptions of related variables.

Notation	Description
	Highway road section for travel time estimation
	Time for data sample (at -th interval)
	Number of sampled data points within the time interval to
	Order of data observation ( = 1, 2, 3, …, )
	-th observed travel time value in within a time interval
	Arithmetic mean of travel time values observed within a time interval
	Median of travel time values observed within a time interval
	Standard deviation of travel time values observed within a time interval