Signs which provide notice of direction by way of arrow
Signs which provide advance notice of upcoming circumstances
Signs which specify vehicle speed limits in school zones
Signs which provide notice of clearance restrictions as a warning
Signs that use symbols to inform or warn readers
Signs which provide distance of warning or change in circumstance
Signs which tell drivers not to pass other vehicles
Signs which advise drivers of changes in the traffic flow or circumstances
Signs which mark or provide advance notice of a ramp or exit
