4); upgrading unfinished sections of motorway on the A1, connecting Athens to Thessaloniki; and the construction of the Thessaloniki Metro.
The Athens Metropolitan Area in particular is served by some of the most modern and efficient transport infrastructure in Europe, such as the Athens International Airport, the privately run Attiki Odos motorway network and the expanded Athens Metro system.
Most of the Greek islands and many main cities of Greece are connected by air mainly from the two major Greek airlines, Olympic Air and Aegean Airlines. Maritime connections have been improved with modern high-speed craft, including hydrofoils and catamarans.
Railway connections play a somewhat lesser role in Greece than in many other European countries, but they too have also been expanded, with new suburban/commuter rail connections, serviced by Proastiakos around Athens, towards its airport, Kiato and Chalkida; around Thessaloniki, towards the cities of Larissa and Edessa; and around Patras. A modern intercity rail connection between Athens and Thessaloniki has also been established, while an upgrade to double lines in many parts of the 2,500 km (1,600 mi) network is underway. International railway lines connect Greek cities with the rest of Europe, the Balkans and Turkey, although as of 2011 they have been suspended, due to the financial crisis.
Broadband internet availability is widespread in Greece: there were a total of 2,252,653 broadband connections as of early 2011, translating to 20% broadband penetration. According to 2011 EU data, 47% of the population used the internet regularly.
Internet cafés that provide net access, office applications and multiplayer gaming are also a common sight in the country, while mobile internet on 3G cellphone networks and Wi-Fi connections can be found almost everywhere. The United Nations International Telecommunication Union ranks Greece among the top 30 countries