Here is an awesome set of police and caution line vectors that I really hope you can find a great use for. Enjoy!
Police and Caution Line Vectors
abstractAccidentattentionbackgroundbandbannerbarrierblackcautioncaution linecordoncrimeCriminalcrosscrossingdangerdetectivedo not crossEvidenceForbidForbiddenforensicgreyillustrationincidentInvestigationJusticeLawlinemarkingnotpolicepolice linepolice line vectorprotectionrestrictedribbonscenesecuresecuritysignstopsymboltapetraverseurbanvectorwallpaperwarningyellowzone