Aids to Navigation — Road Signs of the Waterway

Uniform State Waterway Marking System (USWMS)

Note: The USWMS is presently merging with the U.S. Aids to Navigation System and will be discontinued on December 31, 2003. Vessel operators may encounter both types of systems during this transitional period.

Lateral System
May show green reflector or light	Usually found in pairs pass between these buoys _ Looking upstream _	May show red reflector or light
Port Side		Starboard Side
Solid Black Buoy (Being replaced by Green Can Buoy)		Solid Red Buoy (Being replaced by Red Nun Buoy)

Cardinal System May show white reflector or light
Red striped white buoy	Black topped white buoy	Red topped white buoy
Do not pass between buoy and nearest shore	Pass to north or east of buoy	Pass to south or west of buoy