Evaluation of Ramp Metering Impacts on Travel Time Reliability and Traffic Operations through Simulation

Table 1

Calibrated Wiedemann 99 model parameters.

Parameter	Default	Freeway	Diverge	Merge	Weave
CC0	4.92	5.60	7.50	7.80	9.00
CC1	0.90	1.05	1.15	1.30	1.45
CC2	13.12	13.10	12.00	12.00	12.60
CC3	-8.00	-8.00	-8.00	-8.00	-8.00
CC4	-0.35	-0.30	-0.35	-0.35	-0.35
CC5	0.35	0.30	0.35	0.35	0.35
CC6	11.44	11.44	11.44	11.44	11.44
CC7	0.82	0.82	0.82	0.82	0.82
CC8	11.48	10.48	10.48	12.48	12.48
CC9	4.92	4.92	4.92	4.92	4.92