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

Table 2

Outlier removal method of Korea Expressway Corporation.

Conditions	Removal method
CV  0.05	Remove the top 2% and bottom 3%
0.05  CV  0.10	Remove the top 5% and bottom 5%
0.10  CV  0.15	Remove the top 8% and bottom 7%
CV  0.15	Remove the values outside mean  standard deviation