This Action Aims To Achieve A Substantial Improvement Of The Lighting Installation In The Via Verda Tunnels, Both Those That Have The Connection Through The Supply Company And Those That Have The Installation Of Photovoltaic Energy, Achieving That This Installation Is As Sustainable As Possible And Generates Fewer Problems. The Work Consists Of The Following Actions: • Replacement Of Batteries. • Replacement Of Load Regulators. • Replacement Of Motion Sensors. • Replacement Of Led Bulbs. • Repair Of The Electrical Line To Communicate The Installation Of Tunnels 7 And 8 With That Of Tunnels 9 And 10. These Four Tunnels Currently Have An Electrical Connection Through The Electrical Company. • Replacement Of Photovoltaic Panels. • Relocation Of Photovoltaic Panels In Tunnel No. 20 To Improve The Capture Of Solar Energy.