Capacity Estimation for On-Ramp Merging Section of Urban Expressway Based on Time Headway Loss

Table 1

The relations between 𝑞_𝑟, 𝑉_𝑐, and 𝑞_𝑚.

𝑞𝑚 (pcu/h)	𝑉𝑐 (km/h)
	0	4.5	9	13.5	18	22.5	27	31.5	36	40.5	45
200	1793	1783	1774	1764	1754	1745	1735	1725	1715	1704	1694
400	1583	1562	1540	1518	1495	1472	1448	1423	1398	1373	1346
600	1372	1336	1299	1261	1221	1180	1138	1094	1050	1004	957
800	1159	1106	1051	995	936	876	815	755	695	637	583
1000	945	874	802	728	655	586	520	461	409	363	325
1200	731	645	561	482	412	352	303	263	230	204	183
1400	521	429	349	284	234	197	168	146	129	115	104
1600	320	241	185	147	120	101	87	76	68	61	55
1800	141	98	73	58	48	41	35	31	28	25	23
𝑇𝑙 (s)	0.00	0.63	1.25	1.88	2.50	3.13	3.75	4.38	5.00	5.63	6.25