The thesis Bicycle Paths and Spatial Development in Ptuj speaks of cycling as an alternative for daily car drives to work, school, etc. The thesis presents the advantages and disadvantages of cycling and compares bicycle to car, mainly for short distance traveling, where bicycle can effectively replace car usage. There is also a detailed presentation of cycling infrastructure and the correct planning of cycling infrastructure. Cycling infrastructure is crucial for cycling traffic and the safety of the cyclists, which are much more vulnerable in the accidents than the car drivers. The thesis shows bicycle traffic and cycling infrastructure as an example for the city Ptuj, which is known for bad cycling developing progress. Based on an analysis of the existing cycling infrastructure in Ptuj, a better cycling infrastructure is suggested, which will be connected as a cycling network, be attractive, direct, safe and comfortable for cyclists. Ptuj is a city best enjoyed by cycling tourists as bicycles allow for better and speedier access to its many tourist attractions. With a new and proper cycling network, even more tourist – cyclist will visit Ptuj.