Development and Validation of Improved Impedance Functions for Roads with Mixed Traffic Using Taxi GPS Trajectory Data and Simulation

Table 4

Details of the regression functions for travel time of different periods of the day.

Time periods	Regression function	R^2
0:00–7:00		0.11
7:00–10:00		0.83
10:00–15:00		0.87
15:00–19:00		0.84
19:00–0:00		0.02