Commercial Traffic Zones and What the Lights Mean
by Roz Butziger
Green and Purple Shapes on my OpenCPN Charts
Those are Traffic Separation Zones. They can be rather confusing if you’re not familiar with them.
Roz Butziger, of the Warwick Beacon, describes the traffic lanes found on some charts and how to navigate them. She also gives tips for interpreting lights seen on commercial vessels.
Though the article highlights (the must-cruise) Narragansett Bay, you’ll find that the information applies to any chart that displays traffic zones.
“If you are using your boat’s down time to think about new places in and around Narragansett Bay to visit next summer, it might be time to get out the chart, or open up OpenCPN on your computer. Look at the lower bay and Rhode Island Sound and you will see some strange passageways.”
“Look over at the purple rectangle. This marks a traffic separation zone. It is kind of like a divided highway. On either side of the purple area …”
Read more via Warwick Beacon (Dec 9, 2015)