Polatlı–İzmir high-speed railway

The Polatlı–İzmir high-speed railway is a 588 km (365.37 mi) long high-speed railway currently under construction in Turkey. Once completed, it will be the longest high-speed railway in the country, surpassing the Istanbul-Ankara HSR which holds the title since 2014.

Polatlı–İzmir high-speed railway
Construction of the railway near Dumlupınar
Overview
Status	Under construction
Owner	Turkish State Railways
Locale	Central and western Anatolia
Termini	Polatlı, Ankara Province Menemen, Izmir Province
Stations	7
Service
Type	High-speed rail
System	Turkish State Railways
Operator(s)	TCDD Taşımacılık
Depot(s)	Halkapınar yard
Rolling stock	HT65000, HT80000
History
Opened	2021 (Polatlı-Afyon)
Technical
Line length	588 km (365.37 mi)[1]
Number of tracks	Double track
Character	High-speed rail
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Loading gauge	TCDD gross gauge
Minimum radius	3 500 m
Electrification	25 kV, 50 Hz AC Overhead line
Operating speed	250 km/h (160 mph)
Maximum incline	16 ‰
Route map Station Istanbul-Ankara HST to Istanbul Istanbul-Ankara HST to Ankara Polatlı-Konya HST to Konya Ankara Afyon Emirdağ (2021) Line to Konya Afyon Ali Çetinkaya (2021) Line to Eskişehir Afyon YHT (2023) Line to İzmir Uşak (2023) Salihli YHT (2023) Turgutlu YHT (2023) Line to Bandırma Manisa (2023) İZBAN Line to Aliağa Menemen (2023) Çiğli (2023) Otogar (2020s) İzmir (2023)

The railway will split from the Polatlı-Konya high-speed railway about 27 km (17 mi) south of Polatlı junction, where the Polatlı-Konya HSR splits from the Istanbul-Ankara HSR, and head west to Afyonkarahisar, then it will parallel the Izmir-Afyon railway to Menemen, where it will join the railway just north of İzmir. Travel times between Ankara-Afyon and Ankara-Izmir are expected to be 1h 30min and 3h 30min, respectively.