Edit
Edit
January 2026
- MON
- TUE
- WED
- THU
- FRI
- SAT
- SUN
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
Gopiganj to Kanpur AC Semi-Sleeper Bus
- Goibibo
- Bus Ticket Booking
- Bus from Gopiganj to Kanpur
- Gopiganj to Kanpur AC Semi-Sleeper Bus
Showing44 buses
Previous DayNext Day
Sort by:
BESTRATINGDEPARTUREARRIVALFASTESTCHEAPEST
| Bus Details | Time and Duration | Price | |
|---|---|---|---|
Starts at 07:32 | ₹184 Starts from | 17 Buses 595 seats left SHOW BUSESFrom ₹184 View all |
Gopiganj to Kanpur Other Buses
RS Yadav Smart Bus Bharat Benz A/C Seater /Sleeper (2+1) 4.3/5
| 17:50 Indian Oil Petrol Pump Gopiganj 5h 40m 23:30 31st Jan Rama Devi Chowraha | ₹1079 ₹1199 | SELECT SEAT 22 window seat 36 seats left ₹ 1199 ₹ 1079 |
| |||
Laxmi holidays Bharat Benz A/C Sleeper (2+1) 4.3/5 | 19:05 Gopiganj Indian oil petrol pump opp. Vrindavan Restaurant 5h 25m 00:30 31st Jan Kanpur bus stand | ₹632 ₹702 | SELECT SEAT 21 window seat 43 seats left ₹ 702 ₹ 632 |
| |||
Laxmi holidays Bharat Benz A/C Sleeper (2+1) 4.3/5 | 17:35 Gopiganj Indian oil petrol pump opp. Vrindavan Restaurant 4h 55m 22:30 31st Jan Kanpur bus stand | ₹549 ₹610 | SELECT SEAT 22 window seat 43 seats left ₹ 610 ₹ 549 |
| |||
Shri mahavir tour and travels AC Sleeper (2+1) 4.4/5 | 19:05 bypass gopiganj 6h 40m 01:45 31st Jan Faizalganj | ₹2400 | SELECT SEAT 20 window seat 32 seats left ₹ 2400 |
| |||
Shri mahavir tour and travels AC Sleeper (2+1) 4.4/5 | 17:05 bypass gopiganj 6h 15m 23:20 31st Jan Faizalganj | ₹1200 | SELECT SEAT 21 window seat 35 seats left ₹ 1200 |
| |||
Shri mahavir tour and travels AC Sleeper (2+1) 4.4/5 | 15:05 bypass gopiganj 6h 10m 21:15 31st Jan Faizalganj | ₹1200 | SELECT SEAT 22 window seat 36 seats left ₹ 1200 |
| |||
Ajuman Holidays Bharat Benz A/C Seater /Sleeper (2+1) 4.3/5 | 21:40 Gopiganj Indian oil petrol pump opp. Vrindavan Restaurant 5h 30m 03:10 31st Jan Kanpur bus stand | ₹890 | SELECT SEAT 16 window seat 31 seats left ₹ 890 |
Gola Bus Service Bharat Benz A/C Seater /Sleeper (2+1) 4.4/5 | 19:40 indian oil petrol pump 5h 19m 00:59 31st Jan Kanpur bus stand | ₹639 | SELECT SEAT 20 window seat 36 seats left ₹ 639 |
| |||
Gola Bus Service Bharat Benz A/C Seater /Sleeper (2+1) 4.4/5 | 20:40 indian oil petrol pump 4h 35m 01:15 31st Jan Kanpur bus stand | ₹648 | SELECT SEAT 24 window seat 42 seats left ₹ 648 |
| |||
Gola Bus Service Bharat Benz A/C Seater /Sleeper (2+1) 4.4/5 | 18:40 indian oil petrol pump 5h 19m 23:59 31st Jan Kanpur bus stand | ₹2400 | SELECT SEAT 20 window seat 35 seats left ₹ 2400 |
|
FAQs About AC Semi-Sleeper Buses from Gopiganj to Kanpur
Q. How many AC Semi-Sleeper buses currently operating from Gopiganj to Kanpur?
A. There are 0 AC Semi-Sleeper buses currently running from Gopiganj to Kanpur currently. Book Now
Q. What is the avg time taken by AC Semi-Sleeper bus for Gopiganj Kanpur Journey?
A. The time taken for Gopiganj to Kanpur by AC Semi-Sleeper bus via road travel is around 2h 55m (appx.). Book Now
Q. What is the cheapest bus fare between Gopiganj to Kanpur Travel on Goibibo?
A. The cheapest bus fare available between Gopiganj to Kanpur is ₹ 184. Book Now
Q. What are the popular bus operators currently serving buses for Gopiganj to Kanpur route?
A. Our top bus operators for Gopiganj to Kanpur bus route are: Ajuman Holidays, BSS Cool Cool Travels, Deepak Raj Tour and Travels, Gola Bus Service, Jamna Travels (Delhi), Kashi Vishwanath Tours and Travels, Laxmi holidays, Palak Tour and Travels, Palak Travels, RS Yadav Smart Bus Book Now
Boarding points in Gopiganj
- Indian Oil Petrol Pump Gopiganj
- Gopiganj Indian oil petrol pump opp. Vrindavan Restaurant
- bypass gopiganj
- indian oil petrol pump
- Gopiganj Bypass
- Gopiganj (Bhagyawanti Petrol Pump)
- Gopiganj
- Gopiganj (allahabad kanpur by pass)
- Bhagwati Petrol Pump Gopiganj
- Varanasi allahabad highway,gopiganj
Dropping points in Kanpur
- Rama Devi Chowraha
- Kanpur bus stand
- Faizalganj
- Naubasta Chowraha
- Rama Devi Choraha
- Jhakarkati Bus Station
Top routes from Gopiganj
- Gopiganj to Delhi Bus
- Gopiganj to Noida Bus
- Gopiganj to Agra Bus
- Gopiganj to Allahabad Bus
- Gopiganj to Kanpur Bus
- Gopiganj to Mathura Bus
- Gopiganj to Varanasi Bus
- Gopiganj to Ghaziabad Bus
- Gopiganj to Etawah Bus
- Gopiganj to Faridabad Bus
- Gopiganj to Auraiya Bus
- Gopiganj to Fatehpur Bus
- Gopiganj to Lucknow Bus
- Gopiganj to Jaipur Bus
- Gopiganj to Mehandipur Balaji Temple Bus
- Gopiganj to Greater Noida Bus
- Gopiganj to Nagpur Bus
- Gopiganj to Maihar Bus
- Gopiganj to Rewa Bus
- Gopiganj to Jabalpur Bus
- Gopiganj to Indore Bus
- Gopiganj to Saini Bus
- Gopiganj to Katni Bus
- Gopiganj to Vrindavan Bus
- Gopiganj to Bharatpur Bus
- Gopiganj to Jewar Bus
- Gopiganj to Ranchi Bus
- Gopiganj to Bhopal Bus
- Gopiganj to Dewas Bus
- Gopiganj to Banda(Uttar Pradesh) Bus
- Gopiganj to Ujjain Bus
- Gopiganj to Unchahar Bus
- Gopiganj to Akbarpur (Kanpur Dehat) Bus
- Gopiganj to Karvi Bus
- Gopiganj to Khatushyamji Bus
- Gopiganj to Ballia Bus
- Gopiganj to Mangawan Bus
- Gopiganj to Chitrakoot Bus
- Gopiganj to Manjhanpur Bus
- Gopiganj to Mirzapur Bus
Top routes to Gopiganj
- Delhi to Gopiganj Bus
- Agra to Gopiganj Bus
- Allahabad to Gopiganj Bus
- Noida to Gopiganj Bus
- Varanasi to Gopiganj Bus
- Kanpur to Gopiganj Bus
- Ghaziabad to Gopiganj Bus
- Mathura to Gopiganj Bus
- Etawah to Gopiganj Bus
- Faridabad to Gopiganj Bus
- Auraiya to Gopiganj Bus
- Fatehpur to Gopiganj Bus
- Lucknow to Gopiganj Bus
- Jaipur to Gopiganj Bus
- Mehandipur Balaji Temple to Gopiganj Bus
- Greater Noida to Gopiganj Bus
- Nagpur to Gopiganj Bus
- Katni to Gopiganj Bus
- Maihar to Gopiganj Bus
- Bharatpur to Gopiganj Bus
- Rewa to Gopiganj Bus
- Vrindavan to Gopiganj Bus
- Jabalpur to Gopiganj Bus
- Indore to Gopiganj Bus
- Saini to Gopiganj Bus
- Jewar to Gopiganj Bus
- Mirzapur to Gopiganj Bus
- Surat to Gopiganj Bus
- Bhopal to Gopiganj Bus
- Bharuch to Gopiganj Bus
- Chitrakoot to Gopiganj Bus
- Amarpatan to Gopiganj Bus
- Vidisha to Gopiganj Bus
- Ujjain to Gopiganj Bus
- Khatushyamji to Gopiganj Bus
- Karjan to Gopiganj Bus
- Damoh to Gopiganj Bus
- Mau to Gopiganj Bus
- Godhra to Gopiganj Bus
- Mangawan to Gopiganj Bus
Top routes to Kanpur
- Delhi to Kanpur Bus
- Jaipur to Kanpur Bus
- Gurgaon to Kanpur Bus
- Indore to Kanpur Bus
- Gorakhpur to Kanpur Bus
- Noida to Kanpur Bus
- Dehradun to Kanpur Bus
- Varanasi to Kanpur Bus
- Greater Noida to Kanpur Bus
- Kota to Kanpur Bus
- Ujjain to Kanpur Bus
- Haridwar to Kanpur Bus
- Bhopal to Kanpur Bus
- Khatushyamji to Kanpur Bus
- Mathura to Kanpur Bus
- Agra to Kanpur Bus
- Jhansi to Kanpur Bus
- Gwalior to Kanpur Bus
- Bareilly to Kanpur Bus
- Haldwani to Kanpur Bus
- Ghaziabad to Kanpur Bus
- Mehandipur Balaji Temple to Kanpur Bus
- Ajmer to Kanpur Bus
- Vrindavan to Kanpur Bus
- Lucknow to Kanpur Bus
- Roorkee to Kanpur Bus
- Rudrapur to Kanpur Bus
- Ahmedabad to Kanpur Bus
- Muzaffarpur to Kanpur Bus
- Meerut to Kanpur Bus
- Khalilabad to Kanpur Bus
- Bilhaur to Kanpur Bus
- Dausa to Kanpur Bus
- Biaora to Kanpur Bus
- Aligarh to Kanpur Bus
- Kalpi to Kanpur Bus
- Bulandshahr to Kanpur Bus
- Chhibramau to Kanpur Bus
- Sikandrabad to Kanpur Bus
- Khurja to Kanpur Bus
- Gopiganj to Kanpur Bus
Top routes from Kanpur
- Kanpur to Delhi Bus
- Kanpur to Jaipur Bus
- Kanpur to Gurgaon Bus
- Kanpur to Noida Bus
- Kanpur to Indore Bus
- Kanpur to Gorakhpur Bus
- Kanpur to Varanasi Bus
- Kanpur to Dehradun Bus
- Kanpur to Greater Noida Bus
- Kanpur to Ujjain Bus
- Kanpur to Kota Bus
- Kanpur to Khatushyamji Bus
- Kanpur to Bhopal Bus
- Kanpur to Mathura Bus
- Kanpur to Ajmer Bus
- Kanpur to Jhansi Bus
- Kanpur to Haridwar Bus
- Kanpur to Gwalior Bus
- Kanpur to Bareilly Bus
- Kanpur to Agra Bus
- Kanpur to Ghaziabad Bus
- Kanpur to Mehandipur Balaji Temple Bus
- Kanpur to Haldwani Bus
- Kanpur to Vrindavan Bus
- Kanpur to Roorkee Bus
- Kanpur to Ahmedabad Bus
- Kanpur to Meerut Bus
- Kanpur to Lucknow Bus
- Kanpur to Jodhpur Bus
- Kanpur to Basti Bus
- Kanpur to Biaora Bus
- Kanpur to Khalilabad Bus
- Kanpur to Bewar(Uttar Pradesh) Bus
- Kanpur to Dausa Bus
- Kanpur to Bilhaur Bus
- Kanpur to Saini Bus
- Kanpur to Maksi Bus
- Kanpur to Kalpi Bus
- Kanpur to Aligarh Bus
- Kanpur to Etah Bus
- Kanpur to Gopiganj Bus
Popular cities near Gopiganj
Popular cities near Kanpur
- Lucknow Bus
- Agra Bus
- Allahabad Bus
- Etawah Bus
- Fatehpur Bus
- Auraiya Bus
- Jhansi Bus
- Kannauj Bus
- Barabanki Bus
- Unnao Bus
- Orai Bus
- Ayodhya Bus
- Nawabganj Bus
- Chhibramau Bus
- Rewari Bus
- Bewar(Uttar Pradesh) Bus
- Delhi Bus
- Ghaziabad Bus
- Bilhaur Bus
- Delhi Airport Bus
- Mathura Bus
- Saini Bus
- Kalpi Bus
- Noida Bus
- Aligarh Bus
- Etah Bus
- Bhognipur Bus
- Khurja Bus
Top Bus Operators Between Gopiganj and Kanpur
- UPSRTC Bus
- Shri mahavir tour and travels Bus
- Gola Bus Service Bus
- Palak Travels Bus
- Shyam Savitri Travels Bus
- SAFAR EXPRESS PVT LTD Bus
- Laxmi holidays Bus
- Shree Saroj Travels Bus
- Raj Shila Travels Bus
- Raj Kalpana Travels Pvt.Ltd Bus
- Saarthi Travels India Bus
- Luxuria Holidays Bus
- Shree Savariya Travels & Transport Bus
- Choudhary Holidays Bus
- Ajuman Holidays Bus
- Rajdhani (Zamindara) Travels Bus
- KST Travels Bus
- Kashi Bus
- NKB SMART BUS PRIVATE LIMITED Bus
- Deepak Raj Tour and Travels Bus
- New Yadav Vishwakarma Tour and Travels Bus
- VT Bus
- Vinay Travels Bus
- Shree Raj Akanshi travels Bus
- Palak Tour and Travels Bus
- Safar Express Bus
- VIKAS TRAVELS ® Bus
- BSS Cool Cool Travels Bus
- Rajat Travels Bus
- Shree ram travels Bus
- ATS TRAVELS Bus
- Comfort Tour and Travels Bus
- Choudhary travels and cargo Bus
- Pooja Travel Point Bus
- Sanskar Travels Bus
- Tiwari and Brothers Bus
- Kashi Vishwanath Tours and Travels Bus
- Kalpana Travels Kanpur Bus
- Shree Jee Bus
- R S YADAV SMART BUS PRIVATE LIMITED Bus
- Mahadev Travels Bus
- Rudra Travels Bus
- New Sahara Travels Bus
- Sangam Travels Bus
- SHRI BALAJII TRAVELS Bus
- TEJAS TRAVELS Bus
- RS YADAV SMART BUS
- RS Yadav Smart Bus
- India Tours & Travels (GetBookCab) Bus
- Mahalaxmi Travels Bus
- Jamna Travels (Delhi) Bus
- Shakmbhari Travels Bus
- Here Bus
- Kusum Travels and Cargo Bus
- Khajuraho Travels Pvt Ltd Bus
- Raj travels Jhunjhunu Bus
- Krishna Travels Bus
- Dev Darbar Travel Agency Bus
- Laxmi Holidays Pvt Ltd Bus
- Kanpur Kalpana Travels Private Limited Bus
Top Bus Operators from Gopiganj
Top Bus Operators to Kanpur
- Delhi to Kanpur Laxmi holidays Bus
- Jaipur to Kanpur Samay Shatabdi Travels Pvt Ltd Bus
- Gurgaon to Kanpur Samay Shatabdi Travels Pvt Ltd Bus
- Gorakhpur to Kanpur Samay Shatabdi Travels Pvt Ltd Bus
- Varanasi to Kanpur Samay Shatabdi Travels Pvt Ltd Bus
- Dehradun to Kanpur Samay Shatabdi Travels Pvt Ltd Bus
- Noida to Kanpur Laxmi holidays Bus
- Indore to Kanpur Hans Travels Bus
- Greater Noida to Kanpur Samay Shatabdi Travels Pvt Ltd Bus
Airport Routes from Kanpur
Airport Routes to Kanpur
Hotels in Kanpur
AC Semi-Sleeper Bus from Gopiganj
- Gopiganj to Delhi AC Semi-Sleeper Bus
- Gopiganj to Noida AC Semi-Sleeper Bus
- Gopiganj to Agra AC Semi-Sleeper Bus
- Gopiganj to Allahabad AC Semi-Sleeper Bus
- Gopiganj to Mathura AC Semi-Sleeper Bus
- Gopiganj to Varanasi AC Semi-Sleeper Bus
- Gopiganj to Ghaziabad AC Semi-Sleeper Bus
- Gopiganj to Etawah AC Semi-Sleeper Bus
- Gopiganj to Faridabad AC Semi-Sleeper Bus
- Gopiganj to Auraiya AC Semi-Sleeper Bus
- Gopiganj to Fatehpur AC Semi-Sleeper Bus
- Gopiganj to Lucknow AC Semi-Sleeper Bus
- Gopiganj to Jaipur AC Semi-Sleeper Bus
- Gopiganj to Mehandipur Balaji Temple AC Semi-Sleeper Bus
- Gopiganj to Greater Noida AC Semi-Sleeper Bus
- Gopiganj to Nagpur AC Semi-Sleeper Bus
- Gopiganj to Maihar AC Semi-Sleeper Bus
- Gopiganj to Rewa AC Semi-Sleeper Bus
- Gopiganj to Jabalpur AC Semi-Sleeper Bus
- Gopiganj to Indore AC Semi-Sleeper Bus
- Gopiganj to Saini AC Semi-Sleeper Bus
- Gopiganj to Katni AC Semi-Sleeper Bus
- Gopiganj to Vrindavan AC Semi-Sleeper Bus
- Gopiganj to Bharatpur AC Semi-Sleeper Bus
- Gopiganj to Jewar AC Semi-Sleeper Bus
- Gopiganj to Ranchi AC Semi-Sleeper Bus
- Gopiganj to Bhopal AC Semi-Sleeper Bus
- Gopiganj to Dewas AC Semi-Sleeper Bus
- Gopiganj to Banda(Uttar Pradesh) AC Semi-Sleeper Bus
- Gopiganj to Ujjain AC Semi-Sleeper Bus
- Gopiganj to Unchahar AC Semi-Sleeper Bus
- Gopiganj to Akbarpur (Kanpur Dehat) AC Semi-Sleeper Bus
- Gopiganj to Karvi AC Semi-Sleeper Bus
- Gopiganj to Khatushyamji AC Semi-Sleeper Bus
- Gopiganj to Ballia AC Semi-Sleeper Bus
- Gopiganj to Mangawan AC Semi-Sleeper Bus
- Gopiganj to Chitrakoot AC Semi-Sleeper Bus
- Gopiganj to Manjhanpur AC Semi-Sleeper Bus
- Gopiganj to Mirzapur AC Semi-Sleeper Bus
AC Semi-Sleeper Bus to Kanpur
- Delhi to Kanpur AC Semi-Sleeper Bus
- Jaipur to Kanpur AC Semi-Sleeper Bus
- Gurgaon to Kanpur AC Semi-Sleeper Bus
- Indore to Kanpur AC Semi-Sleeper Bus
- Gorakhpur to Kanpur AC Semi-Sleeper Bus
- Noida to Kanpur AC Semi-Sleeper Bus
- Dehradun to Kanpur AC Semi-Sleeper Bus
- Varanasi to Kanpur AC Semi-Sleeper Bus
- Greater Noida to Kanpur AC Semi-Sleeper Bus
- Kota to Kanpur AC Semi-Sleeper Bus
- Ujjain to Kanpur AC Semi-Sleeper Bus
- Haridwar to Kanpur AC Semi-Sleeper Bus
- Bhopal to Kanpur AC Semi-Sleeper Bus
- Khatushyamji to Kanpur AC Semi-Sleeper Bus
- Mathura to Kanpur AC Semi-Sleeper Bus
- Agra to Kanpur AC Semi-Sleeper Bus
- Jhansi to Kanpur AC Semi-Sleeper Bus
- Gwalior to Kanpur AC Semi-Sleeper Bus
- Bareilly to Kanpur AC Semi-Sleeper Bus
- Haldwani to Kanpur AC Semi-Sleeper Bus
- Ghaziabad to Kanpur AC Semi-Sleeper Bus
- Mehandipur Balaji Temple to Kanpur AC Semi-Sleeper Bus
- Ajmer to Kanpur AC Semi-Sleeper Bus
- Vrindavan to Kanpur AC Semi-Sleeper Bus
- Lucknow to Kanpur AC Semi-Sleeper Bus
- Roorkee to Kanpur AC Semi-Sleeper Bus
- Rudrapur to Kanpur AC Semi-Sleeper Bus
- Ahmedabad to Kanpur AC Semi-Sleeper Bus
- Muzaffarpur to Kanpur AC Semi-Sleeper Bus
- Meerut to Kanpur AC Semi-Sleeper Bus
- Khalilabad to Kanpur AC Semi-Sleeper Bus
- Bilhaur to Kanpur AC Semi-Sleeper Bus
- Dausa to Kanpur AC Semi-Sleeper Bus
- Biaora to Kanpur AC Semi-Sleeper Bus
- Aligarh to Kanpur AC Semi-Sleeper Bus
- Kalpi to Kanpur AC Semi-Sleeper Bus
- Bulandshahr to Kanpur AC Semi-Sleeper Bus
- Chhibramau to Kanpur AC Semi-Sleeper Bus
- Sikandrabad to Kanpur AC Semi-Sleeper Bus
- Khurja to Kanpur AC Semi-Sleeper Bus
Popular Volvo City Buses
- Gopiganj Volvo Bus
- Bewar(Uttar Pradesh) Volvo Bus
- Bareilly Volvo Bus
- Ranchi Volvo Bus
- Bulandshahr Volvo Bus
- Rudrapur Volvo Bus
- Noida Volvo Bus
- Lucknow Volvo Bus
- Mau Volvo Bus
- Muzaffarpur Volvo Bus
- Amarpatan Volvo Bus
- Kalpi Volvo Bus
- Gurgaon Volvo Bus
- Jewar Volvo Bus
- Mirzapur Volvo Bus
- Varanasi Volvo Bus
- Chhibramau Volvo Bus
- Fatehpur Volvo Bus
- Mehandipur Balaji Temple Volvo Bus
- Unchahar Volvo Bus
- Godhra Volvo Bus
- Nagpur Volvo Bus
- Karjan Volvo Bus
- Mangawan Volvo Bus
- Etah Volvo Bus
- Dewas Volvo Bus
- Auraiya Volvo Bus
- Gorakhpur Volvo Bus
- Maihar Volvo Bus
- Etawah Volvo Bus
- Chitrakoot Volvo Bus
- Sikandrabad Volvo Bus
- Saini Volvo Bus
- Khalilabad Volvo Bus
- Aligarh Volvo Bus
- Banda(Uttar Pradesh) Volvo Bus
- Biaora Volvo Bus
- Dausa Volvo Bus
- Maksi Volvo Bus
- Roorkee Volvo Bus
- Ballia Volvo Bus
- Delhi Volvo Bus
- Meerut Volvo Bus
- Rewa Volvo Bus
- Khurja Volvo Bus
- Kota Volvo Bus
- Jaipur Volvo Bus
- Bharatpur Volvo Bus
- Faridabad Volvo Bus
- Bharuch Volvo Bus
- Ajmer Volvo Bus
- Vidisha Volvo Bus
- Kanpur Volvo Bus
- Jabalpur Volvo Bus
- Bilhaur Volvo Bus
- Agra Volvo Bus
- Dehradun Volvo Bus
- Karvi Volvo Bus
- Jodhpur Volvo Bus
- Indore Volvo Bus
- Basti Volvo Bus
- Akbarpur (Kanpur Dehat) Volvo Bus
- Jhansi Volvo Bus
- Katni Volvo Bus
- Ahmedabad Volvo Bus
- Mathura Volvo Bus
- Damoh Volvo Bus
- Haridwar Volvo Bus
- Bhopal Volvo Bus
- Ghaziabad Volvo Bus
- Allahabad Volvo Bus
- Surat Volvo Bus
- Khatushyamji Volvo Bus
- Haldwani Volvo Bus
- Ujjain Volvo Bus
- Vrindavan Volvo Bus
- Gwalior Volvo Bus
- Manjhanpur Volvo Bus
- Greater Noida Volvo Bus