Review Article

Review of Roundabout Capacity Based on Gap Acceptance

Table 4

Calculation of entrance capacity under different flow rates on circulating vehicles (, ).

No.q(veh/s)alphaλ(1/s)βatc(s)Eq. (14)(fixed tc) (veh/s)Eq. (18)(veh/s)Eq. (22)(veh/s)Eq. (34)(veh/s)FL in Equ. (35)Eq. (35)(fixed tc)(veh/s)

10.050.7790.0430.6964.5890.2890.2860.3000.2850.9970.288
20.10.6070.0760.5024.4890.2490.2470.2670.2460.9950.248
30.150.4720.1010.3704.4180.2130.2120.2330.2100.9940.212
40.20.3680.1230.2754.3620.1790.1790.2000.1770.9930.178
50.250.2870.1430.2064.3110.1460.1470.1670.1460.9910.145
60.30.2230.1670.1534.2550.1140.1160.1330.1150.9900.113
70.350.1740.2030.1124.1790.0830.0860.1000.0840.9890.082
80.40.1350.2710.0784.0500.0520.0560.0670.0550.9860.051
90.450.1050.4740.0463.7560.0210.0270.0330.0270.9820.020