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401İETT city bus line

401 bus: stops and timetable

İ.ü. Cerrahpaşa Avc. Kamp. – Çatalca

  • 39 stops
  • ~55 min end to end
  • weekdays 05:50–00:45
  • 178 trips

401 bus stops

The 401 is an İETT city bus line through Esenyurt, Büyükçekmece, Çatalca. It has 39 stops between Haramidere and Çatalca and takes about 74 minutes according to the planned timetable. İETT's trip records from the last 14 days (1168 trips) show it usually takes 45–76 minutes (median 55; ~67 at weekday rush hour).

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.

401 timetable: first and last bus, how often

Haramidere → Çatalca
DayHoursEvery
Weekdays05:50–00:452–10 min
Saturday05:50–00:158–15 min
Sunday06:20–00:155–14 min
Çatalca → İ.ü. Cerrahpaşa Avc. Kamp.
DayHoursEvery
Weekdays04:30–23:004–7 min
Saturday04:30–23:004–8 min
Sunday05:00–23:004–7 min

Times are departures from the first stop. All departure times · PDF, in Turkish (330 KB)

401 bus route map: İ.ü. Cerrahpaşa Avc. Kamp. – Çatalca, 39 stops
The 401 route and its stops on the map (towards Çatalca). Labels on the image are in Turkish.

401 departure times

From Haramidere · Weekdays

  • 0550A
  • 0605A20A3030A3840A4650A54
  • 0700A02101820A263440A425058
  • 0800A0612A182424A303640A424854
  • 090000A0610A121820A243030A3640A424850A
  • 100000A0610A121820A243030A3640A424850A54
  • 110000A081620A30A324040A50
  • 120000A102020A304045A50
  • 130000A1015A203030A4045A50
  • 140000A1015A203030A374450A5158
  • 150510A12202630A364450A52B
  • 160000A1010A182630A34425050A58
  • 170610A142030A30B405050A
  • 1800B0810A1620A2430A32B4045A4856
  • 1900A04B1215A202830A364450A
  • 200000A1010A203030A45
  • 210000A153030A45
  • 2200A30A
  • 2300A30A
  • 0010A45A

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

  • A İ.ü. Cerrahpaşa Avc. Kamp. durağından başlar
  • B Haramidere-Çatalca Kiptaş arası hizmet verir

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

  • A Hattın en çok seferli güzergâhı; İETT'nin hat sayfası öteki güzergâhı gösteriyor
  • B Çatalca Kiptaş-Avcılar güzergahında hizmet verir

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.

Where can you change from the 401 to metro, tram or Metrobus?

Distances are straight-line. To continue by rail, use directions.

Frequently asked questions

How many stops does the 401 have?

39 stops from Haramidere to Çatalca, 53 in the opposite direction. The full route takes about 74 minutes according to the planned timetable. In İETT's trip records it usually takes 45–76 minutes (median 55; ~67 at weekday rush hour).

What time is the first and last 401 bus?

On weekdays from Haramidere: the first bus is at 05:50 and the last at 00:45. Sunday: first 06:20, last 00:15.

How often does the 401 run?

On weekdays it is most frequent around 10:00, about every 4 minutes; 178 trips a day. Times are planned; traffic changes when the bus actually passes a stop.

How much is the 401 bus?

401 is a regional line: the fare depends on where you board and get off, 46.20 TL–94.96 TL full fare with an Istanbulkart; no transfer discount (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: