Highway Engineering

Example 2.4 Contd

30 Highway Engineering

Destination

Origin Z1 Z2 Z3 Z4

Z1 0 498 2682 645

Z2 197 0 1303 174

Z3 450 460 0 1191

Z4 129 106 1140 0

Amended 776 1064 5125 2010

inbound flows

Forecasted 700 1000 5500 1800

inbound flows

Destination 0.90 0.94 1.07 0.90

growth factor

Table 2.10Production

of third revised matrix

and further revision of

destination growth

factors

Destination Amended Forecasted

outbound outbound Growth

Origin Z1 Z2 Z3 Z4 flows flows factor

Z1 0 468 2878 578 3924 3825 0.98

Z2 178 0 1399 156 1733 1675 0.97

Z3 405 432 0 1066 1903 2100 1.10

Z4 117 100 1223 0 1440 1375 0.96

Table 2.11Production of fourth revised matrix and further revision of origin growth factors

Destination

Origin Z1 Z2 Z3 Z4

Z1 0 456 2805 563

Z2 172 0 1352 151

Z3 447 477 0 1176

Z4 111 95 1168 0

Amended 730 1028 5325 1890

inbound flows

Forecasted 700 1000 5500 1800

inbound flows

Destination 0.96 0.97 1.03 0.95

growth factor

Table 2.12Production

of fifth revised matrix

and further revision of

destination growth

factors

Destination Amended Forecasted

total total Growth

Origin Z1 Z2 Z3 Z4 origins origins factor

Z1 0 444 2897 536 3877 3825 0.987

Z2 165 0 1396 144 1705 1675 0.983

Z3 428 464 0 1120 2012 2100 1.044

Z4 107 92 1207 0 1406 1375 0.978

Table 2.13Production of sixth revised matrix and final required revision of origin growth

factors (sufficient convergence obtained)