As the scheme of checkup has got high qualifications and experience, which last for quarter of a century, many of government sectors and ministries, universities made use of its service through statistics and reports. Also it gave useful service on some occasions specially on pilgrimage. It contributes so much on Hajj season. It gives service of doing checkup for pilgrim’s buses. This system gave positive results for the safety of pilgrims' buses. Hajj area is characterized by small area. It is surrounded by mountains. This raised the percentage of pollution caused by cars exhaust. For this reason, it was decides that no car is allowed to enter pilgrimage places unless it passes the result of checkup.
It was clear that mechanical checkup of pilgrims buses gave direct benefits for the comfort of pilgrims. The program is very precise even on unseen details such as curtains, water refrigerators, air conditioners etc.
In addition to items of safety 34 items are checked.The items are as follows: