Anglo, F. D. P., Santos, M. K. F., Unite, A. M. M., Victorio, J. E. M., Lagman, A. C., Magcuyao, J. P. H., ... & Lalata, J. A. P. (2022, December) .One of the most used modes of public transportation in the Philippines is the UV Express. However, there is an existing problem that is a hassle to these commuters. Specifically, at the UV express terminal, there are long queues of the passengers, and the waiting time for the UV Express drivers and the passengers is too long. The Book-Express system aids the UV Express since the mode is terminal to terminal. Furthermore, it is utilized a reservation and booking system via the website and mobile application. The system’s major functionalities were proven through the user acceptance testing via the functionality, usability, reliability, performance, and supportability metric. In table 5, the system received an overall score for the mobile application of 4.60, which is “Excellent”, and the system rated for the website is 4.53, which is “Excellent” as well, as a result.