It's between Rittiman and Eisenhauer on I-35. Here's a mapquest link:

http://www.mapquest.com/maps?city=Sa...&zipcode=78218

Not sure on the Rio applications. It may work, but you'd need to test it first. Here's a website that lists all different weldon glues and their uses. I found it pretty helpful.

http://www.eplastics.com/Plastic/Adh...FQJHxwodhFBeww