42K bus: stops and timetable
Sarıyer – Kazım Karabekir
- 45 stops
- ~47 min end to end
- weekdays 06:15–21:40
- 15 trips
42K bus stops
The 42K is an İETT city bus line within Sarıyer. It has 45 stops between Sarıyer and Kazım Karabekir (loop) and takes about 31 minutes according to the planned timetable. İETT's trip records from the last 14 days (80 trips) show it usually takes 34–67 minutes (median 47; ~53 at weekday rush hour).
- Sarıyerfirst stop
- Yusuf Ziya Stadı1 min
- Hüseyin Kalkavan Mesleki ve Teknik Anadolu Lisesi1 min
- Şehit Mithat Yılmaz Caddesi2 min
- Sarıyer Merkez3 min
- Kocataş Sahil4 min
- Sefaret4 min
- Beyaz Park5 min
- Büyükdere Mahallesi5 min
- Büyükdere6 min
- Balıkçılar Çarşısı7 min
- Mehmet İpgin8 min
- Sedat Kent8 min
- Çayırbaşı9 min
- Çayırbaşı9 min
- Çayırbaşı Fidanlık10 min
- Sarıyer Hamidiye Etfal Eğitim ve Araştırma Hastanesi11 min
- Belnet12 min
- Güney Sokak12 min
- Çuvalcı Sokak13 min
- Orman Yolu14 min
- Kestane Yolu Sokak15 min
- Turgut Akan İlkokulu15 min
- Seyran Sokak16 min
- Su Deposu16 min
- Bağlar Sokak17 min
- Kazım Karabekir Mahallesi Yolu18 min
- Kazım Karabekir18 min
- Gülbağlar Caddesi19 min
- Orta Camii20 min
- Sarıyer Hamidiye Etfal Eğitim ve Araştırma Hastanesi21 min
- Çayırbaşı Fidanlık21 min
- Çayırbaşı22 min
- Çayırbaşı Merkez23 min
- Balıkçılar Çarşısı24 min
- Büyükdere Mahallesi25 min
- Beyaz Park25 min
- Sefaret26 min
- Kocataş Sahil27 min
- Sarıyer Merkez28 min
- Şehit Mithat Yılmaz Caddesi28 min
- Hüseyin Kalkavan Mesleki ve Teknik Anadolu Lisesi29 min
- Yusuf Ziya Stadı30 min
- Şifa30 min
- Sarıyer31 min
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.
42K timetable: first and last bus, how often
| Day | Hours | Every |
|---|---|---|
| Weekdays | 06:15–21:40 | 15 trips a day |
| Saturday | 06:15–21:50 | 15 trips a day |
| Sunday | 07:00–21:00 | 14 trips a day |
Times are departures from the first stop. All departure times · PDF, in Turkish (312 KB)
42K departure times
Weekdays
- 0615
- 0715
- 0815
- 0915
- 1015
- 1115
- 1220
- 1320
- 1430
- 1545
- 1700
- 1815
- 1930
- 2040
- 2140
Saturday
- 0615
- 0710
- 0800
- 0905
- 1010
- 1115
- 1215
- 1315
- 1430
- 1545
- 1710
- 1845
- 2000
- 210050
Sunday
- 0700
- 0800
- 0900
- 1000
- 1100
- 1205
- 1310
- 1415
- 1520
- 1630
- 1745
- 1900
- 2000
- 2100
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 42K have?
45 stops from Sarıyer to Kazım Karabekir (loop). The full route takes about 31 minutes according to the planned timetable. In İETT's trip records it usually takes 34–67 minutes (median 47; ~53 at weekday rush hour).
What time is the first and last 42K bus?
On weekdays from Sarıyer: the first bus is at 06:15 and the last at 21:40. Sunday: first 07:00, last 21:00.
How often does the 42K run?
The 42K is an infrequent line: 15 trips from Sarıyer on weekdays, on average every 66 minutes. Check the departure times below before you go to the stop.
How much is the 42K bus?
33.08 TL full fare and 22.55 TL student fare with an Istanbulkart; no discount when transferring from another vehicle (İBB Assembly decision no. 813 of 17 July 2026).
Live bus positions and İETT service announcements for this line are on the Turkish page.
Last updated: