Estimation of Saturation Flow Rates at Signalized Intersections

Table 3

Comparison of computed saturations using different methods.

Code of; surveyed site	Headway; means (s)	Headway median (s)		Saturation flow rates (veh/h)
		Sample	Equation	Equation	Equation	Equation	Equation
		median	(6.2)	(3.3)	(6.1)	(6.7)	(6.8)
1	1.95	1.88	1.88	1846	1914	1914	1911
2	2.36	2.28	2.25	1525	1578	1600	1656
3	2.30	2.23	2.18	1565	1614	1651	1600
4	2.22	2.14	2.11	1621	1682	1706	1644
5	2.19	2.03	2.06	1643	1773	1747	1675
6	2.08	1.98	1.99	1730	1818	1809	1774
7	2.21	2.09	2.12	1558	1723	1698	1660
8	2.04	2.00	2.00	1764	1800	1800	1803
9	2.31	2.30	2.27	1558	1565	—	—
10	2.18	2.16	2.05	1651	1666	—	—
11	2.11	2.07	2.06	1706	1739	—	—