The line has a total length of 4.5 km (2.8 mi) and would begin at Halkapınar Transfer Center and run southeast along Kamil Tunca Boulevard to the İzmir Bus Terminal (Turkish: Otogar).

Construction of the line was approved in May 2017, and is expected to begin in December 2017 or January 2018.

It was previously planned as a subway but revised in 2018 to be constructed as a commuter railway.

[1] The Ministry of Transport re-planned the line to include it within the Ankara-İzmir high-speed railway, on which construction began in 2013.

[2] The ministry included the Halkapınar—Otogar line within their 2014-17 budget and in April 2017 submitted the project for an environmental impact report, which was completed in May.