Canadian Chart 1 Symbols, Abbreviations and Terms

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Tracks, Routes - Section M

Routeing Measures

Ref.	IHO Symbology	Description	CHS Symbology
10		Established (mandatory) direction of traffic flow
11		Recommended direction of traffic flow
12		Separation line (largescale, smaller scale)
13		Separation zone
14		Limit of restricted routeing measure
15		Limit of routeing measure
16		Precautionary area
17		Archipelagic Sea Lane; axis line and limit beyond which vessels shall not navigate
18		Fairway designated by regulatory authority