If you have a tight budget to travel through Spain, buses They will be an attractive solution for you. The Spanish road network It has been modernized and expanded in the last twenty years and that has shortened travel times.
There are many private companies that offer routes throughout the territory, it is best to go to the final station and there you inform yourself of all the possibilities, most of the towns have one. You can also make reservation and purchase of your tickets on the web, www.alsa.es Y www.auto-res.net they are very important, there are also local companies that offer intercity routes.
The buses are very modern and comfortable but the big problem of going by road is that doing it on days of departure or return from vacations or bridges wastes a lot of time in traffic jams. Schedule your trip with time and you will save a lot of money.