You will at a minimum get a ticket and very likely you will get your car smashed by some very angry firefighters / police. If you rupture the hose, you will als

You will at a minimum get a ticket and very likely you will get your car smashed by some very angry firefighters / police. If you rupture the hose, you will also get an extremely expensive bill to replace the hose. If the hoses catches or the water pressure drop screws up something on the firefighting side or results in injury or other damage, you'll be held liable for that too. California Vehicle Code § 21708: "No person shall drive or propel any vehicle or conveyance upon, over, or across, or in any manner damage any fire hose or chemical hose used by or under the supervision and control of any organized fire department." I dunno man, that's an enormous amount of downside to take in exchange for avoiding the minor inconvenience of just finding a detour so as to not drive over the hose.