 | This articleneeds additional citations forverification. Please helpimprove this article byadding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Sea lane" – news ·newspapers ·books ·scholar ·JSTOR(December 2009) (Learn how and when to remove this message) |
Asea lane,sea road orshipping lane is a regularly usednavigable route for largewater vessels (ships) on widewaterways such asoceans and largelakes, and is preferably safe, direct and economic. During theAge of Sail, they were determined by the distribution ofland masses but also by theprevailing winds, whose discovery was crucial for the success of long maritime voyages. Sea lanes are very important for seaborne trade.
The establishment of theNorth Atlantic sea lanes was inspired by thesinking of the USmailsteamerSSArctic bycollision with the French steamerSSVesta in October 1854 which resulted in the loss of over 300 lives.Lieutenant M. F. Maury of the US Navy first published a section titled "Steam Lanes Across the Atlantic" in his 1855Sailing Directions proposing sea lanes along the 42 degreelatitude. A number of international conferences and committees were held in 1866, 1872, 1887, 1889, and 1891 all of which left the designation of sea lanes to the principal trans-Atlantic steamship companies at the time;Cunard,White Star,Inman,National Line, andGuion Lines. In 1913–1914 theInternational Convention for Safety of Life at Sea held inLondon again reaffirmed that the selection of routes across the Atlantic in both directions is left to the responsibility of the steamship companies.[1]
Shipping lanes came to be by analysing the prevailing winds. The trade winds allowed ships to sail towards the west quickly, and the westerlies allowed ships to travel to the east quickly. As such, the sea lanes are mostly chosen to take full advantage of these winds. Currents are also similarly followed as well, which also gives an advantage to the vessel.[citation needed] Some routes, such as that fromCape Town toRio de Janeiro (passingTristan da Cunha), were not able to take advantage of these natural factors.
Main sea lanes may also attractpirates.[citation needed]Pax Britannica was the period from 1815–1914 during which the BritishRoyal Navy controlled most of the key maritime trade routes, and also suppressed piracy and the slave trade. DuringWorld War I, as GermanU-boats began hittingAmerican andBritishshipping, theAllied trade vessels began to move out of the usual sea lanes to be escorted bynaval ships.
_in_ice_in_front_of_South_Harbor_Helsinki_Finland.jpg)
Although most ships no longer use sails (having switched them for engines), the wind still creates waves, and this can causeheeling. As such following the overall direction of the trade winds and westerlies is still very useful. However, it is best for any vessel that is not engaged in trading, or is smaller than a certain length, to avoid the lanes. This is not only because the slight chance of a collision with a large ship that can easily cause a smaller ship to sink, but also because large vessels are much less maneuverable than smaller ships, and need much more depth. Smaller ships can thus easily take courses that are nearer to the shore. Unlike with road traffic, there is no exact "road" a ship must follow, so this can easily be done.
Shipping lanes are the busiest parts of the sea, thus being a useful place for stranded boaters whose boats are sinking or people on a liferaft to boat to, and be rescued by a passing ship.
Shipping lanes may pose threats to some ocean-going craft. Small boats risk conflicts with bigger ships if they follow the shipping lanes. Sections of lanes exist which can be shallow or have some kind of obstruction (such assand banks). This threat is greatest when passing some narrows, such as between islands in the Indian Ocean (e.g. inIndonesia) as well as between islands in the Pacific (e.g. near the Marquesas islands, Tahiti). Some shipping lanes, such as theStraits of Malacca off Indonesia andMalaysia, and the waters offSomalia, are frequented bypirates operating independently or asprivateers (for companies and countries). Passing ships run the risk of being attacked and held for ransom.
The world's busiest shipping lane is theDover Strait, with 500–600 vessels passing through daily. In 1999, 1.4 billion tonnes gross, carried by 62,500 vessels, passed through the strait.[2] The strait serves as a critical chokepoint for international trade, connecting the North Sea to the English Channel and facilitating maritime traffic between the Atlantic Ocean and key European ports. Its strategic importance has led to the implementation of advanced traffic separation schemes (TSS) and strict maritime regulations to prevent collisions and ensure safe navigation. Other major shipping lanes, such as theStrait of Malacca, thePanama Canal, and theSuez Canal, also play essential roles in global trade by enabling faster and more direct maritime routes. These lanes collectively handle a significant portion of the world's shipping traffic, underscoring their role as vital arteries of international commerce.
Authority control databases: National |
|---|