Estimation of Saturation Flow Rate and Start-Up Lost Time for Signal Timing Based on Headway Distribution

Table 1

Statistical parameters of entering headway (unit of headway: second).

Veh. pos.	Valid group	Min	Max	Mean	Std. dev.
1	920	0.80	10.00	2.56	0.46
2	920	1.64	7.00	3.28	0.34
3	920	1.04	7.36	2.80	0.34
4	920	1.16	6.72	2.56	0.31
5	920	1.24	5.64	2.44	0.29
6	916	1.20	5.12	2.40	0.28
7	908	1.08	6.32	2.36	0.29
8	890	1.12	6.28	2.28	0.29
9	874	1.04	5.40	2.24	0.26
10	817	1.08	5.56	2.12	0.26
11	721	1.02	5.20	2.08	0.22
12	655	1.12	4.76	2.04	0.21
13	572	1.04	6.00	2.00	0.21
14	488	1.00	4.44	1.92	0.19
15	346	1.12	4.96	1.92	0.19
16	205	1.20	3.84	1.92	0.18
17	110	1.16	3.44	1.80	0.16
18	65	1.24	2.76	1.88	0.15
19	41	1.16	2.92	1.80	0.14
20	26	1.32	2.68	1.84	0.16