Hi Nao!
Lots of info on day trips to Toledo. You just have to search the links. Here's one to get you started. http://www.madridman.com/ubb/ultimatebb.php?ubb=get_topic;f=4;t=000523
You'll find info on cars, trains, and buses. Nothing on hitchhiking -
You can also do a search with "Toledo" or any other city as a source, and find so much info that you'll know you struck the mother lode.
Have fun hunting.
Wolf