A. N. Al-Nuaimi, A. K. Jameel, and S. M. Alsadik, “Impact of Variable Speed Limits on Crash Frequency and Crash Rate: Stimulation by Flow Rate and Percentage of Heavy Vehicles”, Eng. Technol. Appl. Sci. Res., vol. 15, no. 1, pp. 20335–20341, Feb. 2025.