Traffic and tourism are interconnected terms that influence each other and at the same time they are dependent of each other. Without well-developed traffic and modern traffic infrastructure in which money would be constantly invested, development of tourism would not be possible. Traffic serves a purpose of covering the distance between the domicile and desirable destination, in fact it ensures accessibility of tourist destinations just as mobility of tourists on the tourist destination. On the other side traffic also has negative impacts on the development of tourism, and one of the most important one is pollution of environment. Higher density of traffic causes the clamour and gaseous emissions in larger amount that causes big damage to environment. To conclude, ignoring the cons, traffic and tourism are wheels that push Croatia towards the progress and further increase and development. Only with frequent investments and improvements of tourist article offer and roads, the further development of economy can be expected.