Environment Transportation Is It Illegal to Paint Your Own Bike Lane? By David DeFranza Updated October 11, 2018 Migrated Image Share Twitter Pinterest Email Transportation Active Automotive Aviation Public Transportation If you're looking to encourage cycling on your block, painting your own bike lane might not be the best tactic. To find out why, Good asked lawyer Kenny Ching.He said: Never mind property damage and vandalism. You could be responsible—legally, financially, and otherwise—for a car hitting one of your fellow cyclists.