sajid, there have been some discussions on this "road trips".
I would suggest to you as a complimmentary info to take a look at them and get as much info as possible
http://www.qatarliving.com/search?cx=008937172676595728955%3A066rihafv68...
In the end the best choice is contacting the appropriate embassy (or agent) for full details on visas/permissions/insurance/costs
In this case KSA embassy or authorized agents in Doha, Qatar.
Embassy of the Kingdom of Saudi Arabia 4832030
Regards!!
sajid, there have been some discussions on this "road trips".
I would suggest to you as a complimmentary info to take a look at them and get as much info as possible
http://www.qatarliving.com/search?cx=008937172676595728955%3A066rihafv68...
In the end the best choice is contacting the appropriate embassy (or agent) for full details on visas/permissions/insurance/costs
In this case KSA embassy or authorized agents in Doha, Qatar.
Embassy of the Kingdom of Saudi Arabia 4832030
Regards!!