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
Karunagappally to Kochi Seater Sleeper Bus
- Goibibo
- Bus Ticket Booking
- Bus from Karunagappally to Kochi
- Karunagappally to Kochi Seater Sleeper Bus
Showing116 buses
Previous DayNext Day
Sort by:
BESTRATINGDEPARTUREARRIVALFASTESTCHEAPEST
| Bus Details | Time and Duration | Price | |
|---|---|---|---|
Starts at 00:25 | ₹172 Starts from | 94 Buses 4357 seats left SHOW BUSESFrom ₹172 View all | |
Krish Travels Bharat Benz A/C Seater /Sleeper (2+1) 4.0/5 | 23:20 Karungapally 3h 5m 02:25 28th Jan Cochin | ₹1600 | SELECT SEAT 24 seats left ₹ 1600 |
| |||
A1 Travels Bharat Benz A/C Seater /Sleeper (2+1) 3.4/5 | 22:30 Karunagappally 1h 29m 23:59 28th Jan Vyttila | ₹800 | SELECT SEAT 23 window seat 41 seats left ₹ 800 |
| |||
EMERALD TRAVELS Bharat Benz A/C Seater /Sleeper (2+1) 3.3/5 | 21:30 Karunagapally 3h 5m 00:35 28th Jan Edapally | ₹750 | SELECT SEAT 24 window seat 41 seats left ₹ 750 |
| |||
A1 Travels Non A/C Seater / Sleeper (2+1) 3.4/5 | 23:00 Karunagappally 2h 0m 01:00 28th Jan Vyttila | ₹550 | SELECT SEAT 22 window seat 39 seats left ₹ 550 |
| |||
Galaxy Tours A/C Seater / Sleeper (2+1) 3.1/5 | 22:45 KSRTC Bus Stand 2h 30m 01:15 28th Jan Vyttila | ₹800 | SELECT SEAT 21 window seat 36 seats left ₹ 800 |
|
Karunagappally to Kochi Other Buses
Punchiry Travels and Holidays Volvo 9600 SLX Multi-Axle AC Sleeper (2+1) 4.5/5
| 19:00 Pump Jn Karunagapilly 4h 0m 23:00 28th Jan Vyttila | ₹1700 ₹1800 | SELECT SEAT 20 window seat 33 seats left ₹ 1800 ₹ 1700 |
| |||
SBM TRAANSPORT Bharat Benz A/C Sleeper (2+1) 4.3/5
| 17:05 Karunagappalli 4h 0m 21:05 28th Jan Vyttila | ₹1799 | SELECT SEAT 17 window seat 26 seats left ₹ 1799 |
| |||
Surya Connect Bharat Benz A/C Semi Sleeper (2+2) 4.4/5 | 23:20 Karunagappally 2h 58m 02:18 28th Jan KSRTC Bus Stand | ₹600 | SELECT SEAT 14 window seat 32 seats left ₹ 600 |
| |||
Essaar Bharat Benz A/C Sleeper (2+1) 4.2/5 | 22:30 Karunagapally 3h 15m 01:45 28th Jan Vyttila | ₹900 | SELECT SEAT 13 window seat 23 seats left ₹ 900 |
| |||
Essaar A/C Sleeper (2+1) 4.2/5 | 18:00 Karunagapally 4h 15m 22:15 28th Jan Vyttila | ₹700 | SELECT SEAT 18 window seat 30 seats left ₹ 700 |
| |||
Essaar A/C Sleeper (2+1) 4.2/5 | 19:15 Karunagapally 4h 0m 23:15 28th Jan Vyttila | ₹600 | SELECT SEAT 18 window seat 30 seats left ₹ 600 |
| |||
Essaar A/C Sleeper (2+1) 4.2/5 | 14:20 Karunagapally 4h 40m 19:00 28th Jan Vyttila | ₹700 | SELECT SEAT 18 window seat 30 seats left ₹ 700 |
| |||
Madhavi Travels A/C Sleeper (2+1) 4.1/5
| 22:20 Ochira 1h 35m 23:55 28th Jan Vyttila | ₹599 | SELECT SEAT 16 window seat 27 seats left ₹ 599 |
| |||
LIYAS TOURS Bharat Benz A/C Sleeper (2+1) 4.0/5
| 19:25 Karunagappalli 3h 15m 22:40 28th Jan Aroor Toll | ₹599 ₹699 | SELECT SEAT 14 window seat 23 seats left ₹ 699 ₹ 599 |
| |||
YBM Travels(BLM) A/C Sleeper (2+1) 4.0/5
| 23:00 Karunagapalli 2h 30m 01:30 28th Jan Vyttila | ₹959 | SELECT SEAT 12 window seat 23 seats left ₹ 959 |
|
FAQs About Seater Sleeper Buses from Karunagappally to Kochi
Q. How many Seater Sleeper buses currently operating from Karunagappally to Kochi?
A. There are 5 Seater Sleeper buses currently running from Karunagappally to Kochi currently. Book Now
Q. What is the avg time taken by Seater Sleeper bus for Karunagappally Kochi Journey?
A. The time taken for Karunagappally to Kochi by Seater Sleeper bus via road travel is around 1h 29m (appx.). Book Now
Q. What is the cheapest bus fare between Karunagappally to Kochi Travel on Goibibo?
A. The cheapest bus fare available between Karunagappally to Kochi is ₹ 172. Book Now
Q. What are the popular bus operators currently serving buses for Karunagappally to Kochi route?
A. Our top bus operators for Karunagappally to Kochi bus route are: A1 Travels, EMERALD TRAVELS, Essaar, Galaxy Tours, Green Line Express, KSRTC, Kallada Travels (Suresh Kallada), Kallada Travels G4, Krish Travels, LIYAS TOURS Book Now
Boarding points in Karunagappally
- Pump Jn Karunagapilly
- Oachira
- Karunagappalli
- Karunagappally
- Pump Junction (Karunagapilly
- Pudiyakavu
- Vavakavu
- Ochira
- Karunagapally
- Vavvakkavu Junction
Dropping points in Kochi
- Vyttila
- Palarivattom
- Edapally
- Kalamassery
- Paravoor Kavala
- Athani (Ekm)
- Angamaly
- Aroor
- Kudanoor
- KSRTC Bus Stand
Top routes from Karunagappally
- Karunagappally to Bangalore Bus
- Karunagappally to Calicut Bus
- Karunagappally to Coimbatore Bus
- Karunagappally to Mysore Bus
- Karunagappally to Kochi Bus
- Karunagappally to Mukkam Bus
- Karunagappally to Mangalore Bus
- Karunagappally to Palakkad Bus
- Karunagappally to Kottakkal Bus
- Karunagappally to Pamba Bus
- Karunagappally to Thrissur Bus
- Karunagappally to Thiruvananthapuram Bus
- Karunagappally to Aluva Bus
- Karunagappally to Thalassery Bus
- Karunagappally to Guruvayoor Bus
- Karunagappally to Kolappuram (Kerala) Bus
- Karunagappally to Alapuzha Bus
- Karunagappally to Angamaly Bus
- Karunagappally to Kuttippuram Bus
- Karunagappally to Panamaram(Kerala) Bus
- Karunagappally to Kannur Bus
- Karunagappally to Areekode Bus
- Karunagappally to Wayanad Bus
- Karunagappally to Chennai Bus
- Karunagappally to Vadakara Bus
- Karunagappally to Cherthala Bus
- Karunagappally to Kasaragod Bus
- Karunagappally to Munnar Bus
- Karunagappally to Kalpetta (Kerala) Bus
- Karunagappally to Sulthan Bathery Bus
- Karunagappally to Athani(Kerala) Bus
- Karunagappally to Krishnagiri Bus
- Karunagappally to Kodakara Vellikulangara Road Bus
- Karunagappally to Valancheri Bus
- Karunagappally to Vyttila Bus
- Karunagappally to Koottanad Bus
- Karunagappally to Thamarassery Bus
- Karunagappally to Payyanur Bus
- Karunagappally to Dharmapuri Bus
- Karunagappally to Avinashi Bus
Top routes to Karunagappally
- Bangalore to Karunagappally Bus
- Calicut to Karunagappally Bus
- Coimbatore to Karunagappally Bus
- Kochi to Karunagappally Bus
- Mysore to Karunagappally Bus
- Kottakkal to Karunagappally Bus
- Palakkad to Karunagappally Bus
- Kannur to Karunagappally Bus
- Vadakara to Karunagappally Bus
- Mangalore to Karunagappally Bus
- Kalpetta (Kerala) to Karunagappally Bus
- Thrissur to Karunagappally Bus
- Mananthavady to Karunagappally Bus
- Sulthan Bathery to Karunagappally Bus
- Thalassery to Karunagappally Bus
- Pulpally to Karunagappally Bus
- Kunnamkulam to Karunagappally Bus
- Thiruvananthapuram to Karunagappally Bus
- Aluva to Karunagappally Bus
- Thamarassery to Karunagappally Bus
- Vellore to Karunagappally Bus
- Manjeri to Karunagappally Bus
- Dharmasala(Kerala) to Karunagappally Bus
- Nanjangudu to Karunagappally Bus
- Malappuram to Karunagappally Bus
- Guruvayoor to Karunagappally Bus
- Angamaly to Karunagappally Bus
- Munnar to Karunagappally Bus
- Pala to Karunagappally Bus
- Mukkam to Karunagappally Bus
- Kodakara Vellikulangara Road to Karunagappally Bus
- Koratty to Karunagappally Bus
- Krishnagiri to Karunagappally Bus
- Koottanad to Karunagappally Bus
- Dharmapuri to Karunagappally Bus
- Quilandy to Karunagappally Bus
- Valancheri to Karunagappally Bus
- Wayanad to Karunagappally Bus
- Vyttila to Karunagappally Bus
- Ramanattukara to Karunagappally Bus
Top routes to Kochi
- Bangalore to Kochi Bus
- Chennai to Kochi Bus
- Coimbatore to Kochi Bus
- Calicut to Kochi Bus
- Madurai to Kochi Bus
- Kannur to Kochi Bus
- Hyderabad to Kochi Bus
- Pondicherry to Kochi Bus
- Thiruvananthapuram to Kochi Bus
- Thalassery to Kochi Bus
- Mysore to Kochi Bus
- Mangalore to Kochi Bus
- Sulthan Bathery to Kochi Bus
- Kasaragod to Kochi Bus
- Payyanur to Kochi Bus
- Kanhangad to Kochi Bus
- Taliparamba to Kochi Bus
- Palakkad to Kochi Bus
- Salem to Kochi Bus
- Kalpetta (Kerala) to Kochi Bus
- Vadakara to Kochi Bus
- Iritty to Kochi Bus
- Cherupuzha to Kochi Bus
- Dindigul to Kochi Bus
- Pulpally to Kochi Bus
- Hosur to Kochi Bus
- Munnar to Kochi Bus
- Tiruchirapalli to Kochi Bus
- Thrissur to Kochi Bus
- Kollam to Kochi Bus
- Karunagappally to Kochi Bus
- Tirupur to Kochi Bus
- Krishnagiri to Kochi Bus
- Kunnamkulam to Kochi Bus
- Kuttippuram to Kochi Bus
- Dharmapuri to Kochi Bus
- Bhavani to Kochi Bus
- Edappal to Kochi Bus
- Chathannoor to Kochi Bus
- Alathur to Kochi Bus
Top routes from Kochi
- Kochi to Bangalore Bus
- Kochi to Chennai Bus
- Kochi to Coimbatore Bus
- Kochi to Calicut Bus
- Kochi to Madurai Bus
- Kochi to Thiruvananthapuram Bus
- Kochi to Kannur Bus
- Kochi to Hyderabad Bus
- Kochi to Pondicherry Bus
- Kochi to Mysore Bus
- Kochi to Payyanur Bus
- Kochi to Thalassery Bus
- Kochi to Sulthan Bathery Bus
- Kochi to Kasaragod Bus
- Kochi to Mangalore Bus
- Kochi to Taliparamba Bus
- Kochi to Palakkad Bus
- Kochi to Kanhangad Bus
- Kochi to Salem Bus
- Kochi to Munnar Bus
- Kochi to Vadakara Bus
- Kochi to Kalpetta (Kerala) Bus
- Kochi to Mananthavady Bus
- Kochi to Cherupuzha Bus
- Kochi to Iritty Bus
- Kochi to Kollam Bus
- Kochi to Pulpally Bus
- Kochi to Wayanad Bus
- Kochi to Hosur Bus
- Kochi to Tiruchirapalli Bus
- Kochi to Kunnamkulam Bus
- Kochi to Karunagappally Bus
- Kochi to Krishnagiri Bus
- Kochi to Tirupur Bus
- Kochi to Dharmapuri Bus
- Kochi to Ambalapuzha Bus
- Kochi to Bhavani Bus
- Kochi to Kuttippuram Bus
- Kochi to Chathannoor Bus
- Kochi to Edappal Bus
Popular cities near Karunagappally
- Kochi Bus
- Thrissur Bus
- Aluva Bus
- Angamaly Bus
- Thiruvananthapuram Bus
- Cherthala Bus
- Chalakudy Bus
- Alapuzha Bus
- Kayamkulam Bus
- Attingal Bus
- Haripad Bus
- Kollam Bus
- Ambalapuzha Bus
- Chathannoor Bus
- Kazhakkoottam Bus
- Kunnamkulam Bus
- Edappally Bus
- Koratty Bus
- Kalamaserry Bus
- Athani(Kerala) Bus
- Kodakara Vellikulangara Road Bus
- Vyttila Bus
- Koottanad Bus
- Palarivattom Bus
- Kuttippuram Bus
- Neyyattinkara Bus
- Kottakkal Bus
- Valancheri Bus
- Shornur Bus
- Guruvayoor Bus
Popular cities near Kochi
- Thrissur Bus
- Coimbatore Bus
- Angamaly Bus
- Chalakudy Bus
- Palakkad Bus
- Aluva Bus
- Alapuzha Bus
- Thiruvananthapuram Bus
- Kayamkulam Bus
- Kollam Bus
- Haripad Bus
- Calicut Bus
- Cherthala Bus
- Attingal Bus
- Kottakkal Bus
- Kunnamkulam Bus
- Karunagappally Bus
- Ambalapuzha Bus
- Kuttippuram Bus
- Avinashi Bus
- Chathannoor Bus
- Edappal Bus
- Alathur Bus
- Tirupur Bus
- Puthukkad(Kerala) Bus
- Vadakkancherry Bus
Top Bus Operators Between Karunagappally and Kochi
- KSRTC Bus
- Essaar Bus
- Diya Bus
- Kallada Travels G4 Bus
- Kallada Travels (Suresh Kallada) Bus
- A1 Travels Bus
- Azul Transports Private Limited Bus
- Green Line Express Bus
- Lulu Tours & Safaris Bus
- Theerdha Tours and Travels Bus
- BLM Transports Bus
- KP Travels Bus
- Shama Transport Bus
- Intercity travels Bus
- Punchiry Travels and Holidays Bus
- Sparrows Tours & Travels Bus
- Kingfisher Connect Bus
- Dev lines Bus
- Kyros Connect Bus
- Galaxy Tours Bus
- Han Lay Travel and Tourism Bus
- Usha Transport Bus
- Blue Bird Travels Bus
- Madhavi Travels Bus
- SBM TRAANSPORT Bus
- EMERALD TRAVELS Bus
- AURA CONNECT Bus
- Aadithya Travels Bus
- A1 Travels Bus
- Suraj Holidays Bus
- Yathra Logistics Bus
- Surya Connect Bus
- YBM Travels(BLM) Bus
- LIYAS TOURS Bus
- Krish Travels Bus
- Arjun Holidays Bus
- Servosonic Travels Bus
- SUHAS HOLIDAYS Bus
- Agney Travels Bus
- Murahara Travels Bus
- ARJUN HOLIDAYS Bus
- CITI TOURS Bus
- Saranya Motors Bus
- UFO Bus
- Perinchery Travels Bus
- Archana Holidays Bus
- rtt Transport Bus
- Sri Krishna Travels Bus
- MENONS HOLIDAYS Bus
- Alhind Tours and Travels Pvt Ltd Bus
- New Friends Travels Bus
- Indigo Travels Bus
- Murahara Travels Bus
- Hilux Travels Bus
- DPT Hollidays Bus
- White Gold Travels Bus
- Megha Bus
Top Bus Operators from Karunagappally
- Karunagappally to Bangalore Yathra Logistics Bus
- Karunagappally to Coimbatore A1 Travels Bus
- Karunagappally to Calicut A1 Travels Bus
- Karunagappally to Kochi KSRTC (Kerala) Bus
- Karunagappally to Mysore LIYAS TOURS Bus
- Karunagappally to Pamba KSRTC (Kerala) Bus
- Karunagappally to Mukkam EMERALD TRAVELS Bus
- Karunagappally to Palakkad A1 Travels Bus
- Karunagappally to Kottakkal Galaxy Tours Bus
- Karunagappally to Aluva KSRTC (Kerala) Bus
- Karunagappally to Mangalore Kallada Travels (Suresh Kallada) Bus
Top Bus Operators to Kochi
Airport Routes from Kochi
Airport Routes to Kochi
Hotels in Karunagappally
Seater Sleeper Bus from Karunagappally
- Karunagappally to Bangalore Seater Sleeper Bus
- Karunagappally to Calicut Seater Sleeper Bus
- Karunagappally to Coimbatore Seater Sleeper Bus
- Karunagappally to Mysore Seater Sleeper Bus
- Karunagappally to Mukkam Seater Sleeper Bus
- Karunagappally to Mangalore Seater Sleeper Bus
- Karunagappally to Palakkad Seater Sleeper Bus
- Karunagappally to Kottakkal Seater Sleeper Bus
- Karunagappally to Pamba Seater Sleeper Bus
- Karunagappally to Thrissur Seater Sleeper Bus
- Karunagappally to Thiruvananthapuram Seater Sleeper Bus
- Karunagappally to Aluva Seater Sleeper Bus
- Karunagappally to Thalassery Seater Sleeper Bus
- Karunagappally to Guruvayoor Seater Sleeper Bus
- Karunagappally to Kolappuram (Kerala) Seater Sleeper Bus
- Karunagappally to Alapuzha Seater Sleeper Bus
- Karunagappally to Angamaly Seater Sleeper Bus
- Karunagappally to Kuttippuram Seater Sleeper Bus
- Karunagappally to Panamaram(Kerala) Seater Sleeper Bus
- Karunagappally to Kannur Seater Sleeper Bus
- Karunagappally to Areekode Seater Sleeper Bus
- Karunagappally to Wayanad Seater Sleeper Bus
- Karunagappally to Chennai Seater Sleeper Bus
- Karunagappally to Vadakara Seater Sleeper Bus
- Karunagappally to Cherthala Seater Sleeper Bus
- Karunagappally to Kasaragod Seater Sleeper Bus
- Karunagappally to Munnar Seater Sleeper Bus
- Karunagappally to Kalpetta (Kerala) Seater Sleeper Bus
- Karunagappally to Sulthan Bathery Seater Sleeper Bus
- Karunagappally to Athani(Kerala) Seater Sleeper Bus
- Karunagappally to Krishnagiri Seater Sleeper Bus
- Karunagappally to Kodakara Vellikulangara Road Seater Sleeper Bus
- Karunagappally to Valancheri Seater Sleeper Bus
- Karunagappally to Vyttila Seater Sleeper Bus
- Karunagappally to Koottanad Seater Sleeper Bus
- Karunagappally to Thamarassery Seater Sleeper Bus
- Karunagappally to Payyanur Seater Sleeper Bus
- Karunagappally to Dharmapuri Seater Sleeper Bus
- Karunagappally to Avinashi Seater Sleeper Bus
Seater Sleeper Bus to Kochi
- Bangalore to Kochi Seater Sleeper Bus
- Chennai to Kochi Seater Sleeper Bus
- Coimbatore to Kochi Seater Sleeper Bus
- Calicut to Kochi Seater Sleeper Bus
- Madurai to Kochi Seater Sleeper Bus
- Kannur to Kochi Seater Sleeper Bus
- Hyderabad to Kochi Seater Sleeper Bus
- Pondicherry to Kochi Seater Sleeper Bus
- Thiruvananthapuram to Kochi Seater Sleeper Bus
- Thalassery to Kochi Seater Sleeper Bus
- Mysore to Kochi Seater Sleeper Bus
- Mangalore to Kochi Seater Sleeper Bus
- Sulthan Bathery to Kochi Seater Sleeper Bus
- Kasaragod to Kochi Seater Sleeper Bus
- Payyanur to Kochi Seater Sleeper Bus
- Kanhangad to Kochi Seater Sleeper Bus
- Taliparamba to Kochi Seater Sleeper Bus
- Palakkad to Kochi Seater Sleeper Bus
- Salem to Kochi Seater Sleeper Bus
- Kalpetta (Kerala) to Kochi Seater Sleeper Bus
- Vadakara to Kochi Seater Sleeper Bus
- Iritty to Kochi Seater Sleeper Bus
- Cherupuzha to Kochi Seater Sleeper Bus
- Dindigul to Kochi Seater Sleeper Bus
- Pulpally to Kochi Seater Sleeper Bus
- Hosur to Kochi Seater Sleeper Bus
- Munnar to Kochi Seater Sleeper Bus
- Tiruchirapalli to Kochi Seater Sleeper Bus
- Thrissur to Kochi Seater Sleeper Bus
- Kollam to Kochi Seater Sleeper Bus
- Tirupur to Kochi Seater Sleeper Bus
- Krishnagiri to Kochi Seater Sleeper Bus
- Kunnamkulam to Kochi Seater Sleeper Bus
- Kuttippuram to Kochi Seater Sleeper Bus
- Dharmapuri to Kochi Seater Sleeper Bus
- Bhavani to Kochi Seater Sleeper Bus
- Edappal to Kochi Seater Sleeper Bus
- Chathannoor to Kochi Seater Sleeper Bus
- Alathur to Kochi Seater Sleeper Bus
Popular Volvo City Buses
- Coimbatore Volvo Bus
- Pulpally Volvo Bus
- Tiruchirapalli Volvo Bus
- Bhavani Volvo Bus
- Alapuzha Volvo Bus
- Kalpetta (Kerala) Volvo Bus
- Dharmapuri Volvo Bus
- Tirupur Volvo Bus
- Sulthan Bathery Volvo Bus
- Vellore Volvo Bus
- Alathur Volvo Bus
- Mangalore Volvo Bus
- Kannur Volvo Bus
- Koottanad Volvo Bus
- Calicut Volvo Bus
- Kochi Volvo Bus
- Dharmasala(Kerala) Volvo Bus
- Palakkad Volvo Bus
- Cherthala Volvo Bus
- Kasaragod Volvo Bus
- Mananthavady Volvo Bus
- Edappal Volvo Bus
- Ramanattukara Volvo Bus
- Nanjangudu Volvo Bus
- Panamaram(Kerala) Volvo Bus
- Vadakara Volvo Bus
- Thalassery Volvo Bus
- Wayanad Volvo Bus
- Pondicherry Volvo Bus
- Krishnagiri Volvo Bus
- Kuttippuram Volvo Bus
- Thamarassery Volvo Bus
- Hyderabad Volvo Bus
- Madurai Volvo Bus
- Cherupuzha Volvo Bus
- Kolappuram (Kerala) Volvo Bus
- Kottakkal Volvo Bus
- Chennai Volvo Bus
- Karunagappally Volvo Bus
- Avinashi Volvo Bus
- Pala Volvo Bus
- Kodakara Vellikulangara Road Volvo Bus
- Mukkam Volvo Bus
- Kollam Volvo Bus
- Bangalore Volvo Bus
- Koratty Volvo Bus
- Payyanur Volvo Bus
- Valancheri Volvo Bus
- Quilandy Volvo Bus
- Kunnamkulam Volvo Bus
- Hosur Volvo Bus
- Thrissur Volvo Bus
- Guruvayoor Volvo Bus
- Areekode Volvo Bus
- Mysore Volvo Bus
- Malappuram Volvo Bus
- Athani(Kerala) Volvo Bus
- Kanhangad Volvo Bus
- Aluva Volvo Bus
- Vyttila Volvo Bus
- Chathannoor Volvo Bus
- Taliparamba Volvo Bus
- Thiruvananthapuram Volvo Bus
- Ambalapuzha Volvo Bus
- Iritty Volvo Bus
- Manjeri Volvo Bus
- Pamba Volvo Bus
- Angamaly Volvo Bus
- Salem Volvo Bus
- Dindigul Volvo Bus
- Munnar Volvo Bus