1. The said pathway is not registered in your name,
2. It has nowhere been specified that you only have the right to use the said pathway title of which does not stand in your name,
3. Who had told you that you only can use the said pathway as has been mentioned in your query?
4. If the owner of the land on which the pathway is situated told you so, then ask him to register it in your name to make it your exclusive pathway,
5. In absence of title of the pathway, your neighbour can use it for entering his car in to his property,
6. However, he can not obstruct the pathway in any manner and if he does so, you should lodge a police complaint against him for obstructing your pathway.