A flexible vehicle-road energy harvesting bump (FVEHB) has been proposed to collect the mechanical energy dissipated by vehicles during driving, providing sustainable clean energy for micro-electromechanical systems in intelligent transportation systems, which is beneficial for the development of transportation systems towards a more intelligent, multifunctional, and clean way. By using flexible deformation and flexible line drive relaxation tension to filter out strong impacts accompanied by vehicle rolling excitation while retaining a large driving force, flexible deformation and flexible line drive can tolerate manufacturing errors and uncertain deformations, solving the problem of strong impacts in vehicle-road energy collection; Improve electromechanical conversion efficiency through frequency up mechanism and bidirectional drive. Based on the working principle of FVEHB, an electromechanical coupling dynamic model was established and experimentally validated to study the electrical response of FVEHB under different excitations. The experimental results show that the peak voltage and peak power of the external load of 29 Ω at an excitation frequency of 5Hz are 5.81V and 1.16W, respectively. Explored applications such as self powered traffic environment monitoring and self powered traffic control, and verified the potential of FVEHB to provide sustainable and convenient clean energy for micro-electromechanical systems in transportation systems.