The Implications of Converting a High-Volume Multilane Roundabout into a Turbo Roundabout

Table 4

GEH statistic calculations for calibration’s model.

Movement	(m)	(c)	m−c	m+c	(m−c)^2	2 (m−c)^2	GEH statistic
NB exit	745	766	−21	1511	441	882	0.76
WB exit	1908	1957	−49	3865	2401	4802	1.11
SB Exit	830	948	−118	1778	13924	27848	3.96
EB exit	2472	2618	−146	5090	21316	42632	2.89
NB Entry	1021	1084	−63	2105	3969	7938	1.94
WB entry	2131	2202	−71	4333	5041	10082	1.53
SB entry	551	621	−70	1172	4900	9800	2.89
EB entry	2234	2382	−148	4616	21904	43808	3.08