Urban Link Travel Time Estimation Based on Low Frequency Probe Vehicle Data

Table 3

Proportion of the studied case based on the proposed method (%).

Sampling interval (s)	Interval of the absolute error (s)
	30	10.7	13.3	18.8	22.9	33.4	52.9	100	100	100	100	∖	∖
60	18.2	28.5	35.9	40.4	62.2	100	100	100	100	100	100	∖
90	27.2	43.8	55.6	66.0	88.6	100	100	100	100	100	100	∖
120	40.2	59.8	73.7	92.5	100	100	100	100	100	100	100	100