BA-4İETT city bus line

BA-4 bus: stops and timetable

Araba Meydanı – Beltur

23 stops
~21 min end to end
weekdays 06:00–00:00
72 trips

BA-4 bus stops

The BA-4 is an İETT city bus line within Adalar. It has 23 stops between Araba Meydanı and Beltur (loop) and takes about 18 minutes according to the planned timetable. İETT's trip records from the last 14 days (595 trips) show it usually takes 19–24 minutes (median 21; ~22 at weekday rush hour, ~20 at night).

Search stops on this line

Minutes are the planned time from the first stop: İETT's running time for the line, spread between stops by distance; it changes with traffic. A line badge marks a rail station within 300 m of the stop. Stop pages are in Turkish.

BA-4 timetable: first and last bus, how often

Araba Meydanı → Beltur (loop)
Day	Hours	Every
Every day	06:00–00:00	10–20 min

Times are departures from the first stop. All departure times · PDF, in Turkish (274 KB)

BA-4 bus route map: Araba Meydanı – Beltur, 23 stops — The BA-4 route and its stops on the map (towards Beltur (loop)). Labels on the image are in Turkish.

BA-4 departure times

Weekdays & Saturday

0600^A2050^A
0720^C3545
080525^A50
0900103550
10103040
1105203545
120015254055
131025304050
14001020354555
1510253050
1615254055
17102030^B50
18001020354050
1900203040
2000103050
21051535^A50^A
22104050
230535
0000

Marked departures from Araba Meydanı run a different route (İETT's note, in Turkish):

A Beltur/plaj durağına uğramaz
B Beltur/plaj durağına uğramaz; Zağnos Paşa Caddesı, Şakir Paşa Sokak, Alpaslan Sokak duraklarına da uğrar
C Beltur/plaj durağına uğramaz; Alpaslan Sokak, Şakir Paşa Sokak, Zağnos Paşa Caddesı duraklarına da uğrar

Source: departure times from İETT's line page (25 October 2026); stops and running times from the İETT planned timetable (İBB Open Data), valid 16 March 2026 – 31 December 2026. Times are departures from the first stop; when the bus passes later stops depends on traffic. Trips after midnight are listed under the previous day.

Frequently asked questions

How many stops does the BA-4 have?

23 stops from Araba Meydanı to Beltur (loop). The full route takes about 18 minutes according to the planned timetable. In İETT's trip records it usually takes 19–24 minutes (median 21; ~22 at weekday rush hour).

What time is the first and last BA-4 bus?

On weekdays from Araba Meydanı: the first bus is at 06:00 and the last at 00:00. Sunday: first 06:00, last 00:00.

How often does the BA-4 run?

On weekdays it is most frequent around 14:00, about every 10 minutes; 72 trips a day. Times are planned; traffic changes when the bus actually passes a stop.

How much is the BA-4 bus?

46.20 TL full fare and 22.55 TL student fare with an Istanbulkart, whatever the distance. You pay less when you transfer from another vehicle (tariff of 20 July 2026).

Live bus positions and İETT service announcements for this line are on the Turkish page.