Berdica (2002) stated that the road transportation
system is one of our most important lifelines. Transport networks comprise of roadways, waterways, railways and
airports. Jenelius and Mattsson (2006) stated that “reliable transport services are necessary for a well-functioning
labour market that allows the employees to commute in an efficient way”. Transport network reliability is important
and defined “as the ability of the transport system to provide the expected level of service quality, upon which users
have organised their activities (Improving Reliability on Surface Transport Networks, 2010)