How about doing a little search of your own on that topic since it has had sevral discussions in Ql forums.

On the other hand there is a user "OfMyHeartShape" that has some sort of blog and there you will find lot's of info to read

Check the above mentioned info here

http://www.ehow.com/how_5564074_travel-qatar-uae-oman-road.html?shared=true

Oh and by the way next time try searching before posting...you could find lot's of interesting info without even posting one single question.

Have a great Day!!!