Criminal law -- Search and seizure -- Vehicle -- Stop -- Officers lacked probable cause to conduct traffic stop based solely on defendant's failure to maintain single lane where there was no evidence that defendant's conduct created a reasonable safety concern. Tip from jail visitation clerk concerning defendant's possible involvement in a drug drop at jail did not, under circumstances, provide sufficient information to create or support a reasonable suspicion that defendant had committed, was committing, or was about to commit a crime. Trial court erred in denying dispositive motions to suppress.