Some of the trash is dangerous to other vehicles such as cyclists and motorcycles. How would you like to run over a broken bottle at 80mph on a Harley?
Seeing the picture starts the process
D7100, Sigma 150 f/2.8 Macro, Tamron 70-300 Macro, Sigma 17-70 F2.8 Macro,
Tamron 70-300 Di VC USD 60Th Anniv. ,SB700, Vivitar 383, Manfrotto t-pod, monopod