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Legend (MarineTransportation_Navigation)

Principal Port (43)
Less than 1,000 Tons Less than 1,000 Tons
1,000 - 10,000 Tons 1,000 - 10,000 Tons
10,001 - 50,000 Tons 10,001 - 50,000 Tons
 51,001-100,000 Tons 51,001-100,000 Tons
100,001 - 200,000 Tons 100,001 - 200,000 Tons
200,001+ Tons 200,001+ Tons
Pilot Boarding Station (2)
Pilot Boarding Area (41)
Unexploded Ordnance Point (49)
Unexploded Ordnance Polygon (48)
Active Ocean Disposal Site (34)
Inactive Ocean Disposal Site (50)
CAD and Other Disposal Area (33)
Deepwater Port (45)
LNG LNG
OIL OIL
Aids To Navigation (44)
Danger Zones Restricted Areas (58)
Area to be avoided (42)
Federal Navigation Project (40)
Anchorages Area (39)
Precautionary Area (38)
Recommended Route (37)
Traffic Lane (36)
Separation Zone Separation Zone
Shipping Safety Fairway Shipping Safety Fairway
Traffic Lane Traffic Lane
Safety, Security, and Regulated Zone (35)
Regulated Navigation Area Regulated Navigation Area
Safety/Security Zone - Permanent Safety/Security Zone - Permanent
Safety/Security Zone - Conditional Safety/Security Zone - Conditional
Submarine Cable (11)
COLREGS Demarcation Line (57)
Submarine Cable Area (32)
Submarine Pipeline Area (31)
Wrecks and Obstructions (30)
Marine Mammal Seasonal Management Area (29)
No Discharge Zones (9)
Final Final
To be proposed To be proposed
Isles of Shoals North Disposal Site (designated 9-25-20) (61)
Navigation Channels (62)
USCG MA RI PARS Study Areas (63)
Proposed Ambrose Anchorage Ground (64)
USCG MA NH ME PARS Study Area (65)
MNM PARS Recommended Fairways (71)
Massachusetts Bay Fairway Massachusetts Bay Fairway
Coastal Zone Fairway Coastal Zone Fairway
Portland Southern Approach Fairway Portland Southern Approach Fairway
Portland Eastern Approach Fairway Portland Eastern Approach Fairway
Gulf of Maine Fairway Gulf of Maine Fairway
South Fork Wind Turbine Generators (73)
South Fork Proposed Safety Zones (74)