The SL18 (short for Sporvogn Ledd, commissioned in 2018) is a series of 87 low-floor, articulated trams currently being phased-in on the Oslo Tramway network.

Including the winner, there were five other selections:On 30 March 2017, the submit deadline passed and the evaluation process begun.

[10][11] On 28 August 2019, a full-scale model of the new tram was unveiled at Rådhusplassen (City Hall Square).

Nonetheless, on 19 September 2020, the first tram arrived from Spain, as was unloaded at the port of Drammen.

This was due to a worldwide shortage of parts, which was also affected by the end of the COVID-19 pandemic and the Russo-Ukrainian War.

[17] On the 24th of November, Sporveien announced that the twenty-nine SL18 trams that are currently operating in Oslo have travelled 1 million kilometres combined.

[18] In early 2024, Sporveien was awarded DOGA's Innovasjonsprisen for inkluderende design (transl.

In 2015, the City Council approved the procurement of new trams and along with it, the modernization of the current system's infrastructure.

This involved the upgrading of Oslo's streets and tracks, and multiple old water and wastewater pipes were to be replaced.

According to the official website, one of their aims was to satisfy the requirements of universal design, making it easier for everyone to take the tram.

According to Jan Rustad, communications adviser of Sporveien, the reason for the reduced seating capacity is to make it more accessible for stroller and wheelchair users.

[24] Sporveien has also developed a cloud-based platform that runs on Amazon Web Services, which communicates with the SL18 trams over 4G/5G.

This platform is called LeadMind, and it is a cloud solution which monitors the condition of the technical segments of the tram.

Line 17 and 18 need a minimum of 19 trams to operate during the day, in order to maintain a 10-minute frequency.