The i-Map project was developed as a joint initiative by European border management agency Frontex and the International Centre for Migration Policy Development, and produces detailed maps showing the routes and major hubs used by migrants in the region.
Libya has become a popular starting point for many journeys, with people traffickers exploiting the country's power vacuum and increasing lawlessness.
The relatively short distance between Libya and the Italian island of Lampedusa encourages more people to risk the journey.
The number of people using the various routes across the Mediterranean has ebbed and flowed.
From 2008-2012, large numbers of migrants crossed between Turkey and Greece via the so-called Eastern Mediterranean route, border management agency Frontex reports.
In response, Greece bolstered border controls with an additional 1,800 police officers.
However, Frontex suggests that the area remains problematic, and points to “uncertainties related to the sustainability of [Greek] efforts, and evidence that migrants are waiting in Turkey for the end of the operation”.
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