Here's how installation of RnR looks
http://s40.radikal.ru/i090/0911/4e/e53beb5260b8.jpg
There will 14 trucks in total, 13 are known 1 is a secret... I think it will be volvo truck, but I may be wrong
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Spoilers**********************
There will be 7 radio station in the game
Note: select text to see it.
1. Harsh Radio
2. Dance Trance Radio
3. Radio California
4. SuperHighway Radio
5. Pacific FM
6. Advert
7. News