November 2025
- 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
Sambalpur to Bhubaneswar Semi Sleeper Bus
- Goibibo
- Bus Ticket Booking
- Bus from Sambalpur to Bhubaneswar
- Sambalpur to Bhubaneswar Semi Sleeper Bus
| Bus Details | Time and Duration | Price | |
|---|---|---|---|
OSRTC Shree Jagannath Express(Volvo AC Semi Sleeper 2+2) 3.6/5 | 22:40 Sambalpur Govt Bus Stand 6h 40m 05:20 7th Nov Baba Saheb Ambedkar Bus Terminal | ₹656 | SELECT SEAT 16 window seat 39 seats left ₹ 656 |
| |||
OSRTC Shree Jagannath Express(Volvo AC Semi Sleeper 2+2) 3.6/5 | 22:52 Sambalpur Govt Bus Stand 6h 2m 04:54 7th Nov Baba Saheb Ambedkar Bus Terminal | ₹612 | SELECT SEAT 13 window seat 32 seats left ₹ 612 |
| |||
OSRTC Shree Jagannath Express(Volvo AC Semi Sleeper 2+2) 3.6/5 | 23:40 Sambalpur Govt Bus Stand 5h 50m 05:30 7th Nov Baba Saheb Ambedkar Bus Terminal | ₹632 | SELECT SEAT 19 window seat 43 seats left ₹ 632 |
|
Sambalpur to Bhubaneswar Other Buses
Maa Samaleswari Travels A/C Seater / Sleeper (2+2) 4.3/5 | 23:50 Sambalpur Bus Stand 6h 10m 06:00 7th Nov NEW Bus stand | ₹630 ₹700 | SELECT SEAT 21 window seat 37 seats left ₹ 700 ₹ 630 |
| |||
Shriram Travels A/C Seater / Sleeper (2+1) 4.9/5 | 22:30 Sambalpur Bus Stand (BB) 7h 30m 06:00 7th Nov BSABT Terminal | ₹650 ₹722 | SELECT SEAT 5 window seat 15 seats left ₹ 722 ₹ 650 |
| |||
Minu Travels A/C Seater / Sleeper (2+1) 3.7/5 30 Reviews | 22:25 Sambalpur BYPASS 7h 35m 06:00 7th Nov Bermunda Bus Stand | ₹550 ₹650 | SELECT SEAT 13 window seat 26 seats left ₹ 650 ₹ 550 |
| |||
Aryan (Shivom) A/C Seater / Sleeper (2+1) 3.3/5 21 Reviews | 22:30 Ainthapalli Bypass (BB) 7h 0m 05:30 7th Nov BSABT Terminal | ₹522 ₹580 | SELECT SEAT 31 window seat 50 seats left ₹ 580 ₹ 522 |
| |||
Dolphin tours and travels Volvo AC Seater (2+2) 3.8/5 | 00:50 Sambalpur AINTHAPALI, by PASS 6h 40m 07:30 7th Nov Bermunda Bus Stand | ₹1232 | SELECT SEAT 18 window seat 42 seats left ₹ 1232 |
| |||
Grand Travels Volvo A/C Seater / Sleeper (2+1) 3.6/5 | 00:20 Sambalpur Bus Stand 6h 55m 07:15 7th Nov Baramunda Bus Stand | ₹1000 ₹1100 | SELECT SEAT 21 window seat 35 seats left ₹ 1100 ₹ 1000 |
| |||
OSRTC AC Deluxe Pushback( AC Seater 2+2) 3.6/5 | 21:15 Sambalpur Govt Bus Stand 8h 55m 06:10 7th Nov Baba Saheb Ambedkar Bus Terminal | ₹508 | SELECT SEAT 14 window seat 34 seats left ₹ 508 |
| |||
OSRTC AC Deluxe Pushback( AC Seater 2+2) 3.6/5 | 08:25 Sambalpur Govt Bus Stand 11h 35m 20:00 7th Nov Baba Saheb Ambedkar Bus Terminal | ₹589 | SELECT SEAT 14 window seat 34 seats left ₹ 589 |
| |||
OSRTC Non AC Deluxe Pushback( Non AC Seater 2+2) 3.6/5 | 22:40 Sambalpur Govt Bus Stand 8h 10m 06:50 7th Nov Baba Saheb Ambedkar Bus Terminal | ₹417 | SELECT SEAT 14 window seat 34 seats left ₹ 417 |
| |||
Dildar Bus Service A/C Seater / Sleeper (2+1) 3.3/5 | 22:50 Sambalpur 7h 40m 06:30 7th Nov Baramunda Bus Terminus | ₹540 ₹600 | SELECT SEAT 49 seats left ₹ 600 ₹ 540 |
|
FAQs About Semi Sleeper Buses from Sambalpur to Bhubaneswar
Q. How many Semi Sleeper buses currently operating from Sambalpur to Bhubaneswar?
A. There are 3 Semi Sleeper buses currently running from Sambalpur to Bhubaneswar currently. Book Now
Q. What is the avg time taken by Semi Sleeper bus for Sambalpur Bhubaneswar Journey?
A. The time taken for Sambalpur to Bhubaneswar by Semi Sleeper bus via road travel is around 5h 45m (appx.). Book Now
Q. What is the cheapest bus fare between Sambalpur to Bhubaneswar Travel on Goibibo?
A. The cheapest bus fare available between Sambalpur to Bhubaneswar is ₹ 417. Book Now
Q. What are the popular bus operators currently serving buses for Sambalpur to Bhubaneswar route?
A. Our top bus operators for Sambalpur to Bhubaneswar bus route are: Aryan (Shivom), Dildar Bus Service, Dolphin tours and travels, Grand Travels, Kunal Travels, Maa Samaleswari Travels, Mahaveer Bus Service, Matrushakti Bus Service, Minu Travels, OSRTC Book Now
Boarding points in Sambalpur
- Sambalpur Bus Stand
- Sambalpur Bus Stand (BB)
- Sambalpur BYPASS
- Ainthapalli Bypass (BB)
- Laxmi Talkies (BB)
- Sambalpur AINTHAPALI, by PASS
- Sambalpur Govt Bus Stand
- Sambalpur
- Ainthapally near golei Chowk
- SAMBALPUR LAXMI TALKIES
Dropping points in Bhubaneswar
- NEW Bus stand
- BSABT Terminal
- Bermunda Bus Stand
- Palasuni
- Vani Vihar Circle
- Rasulgarh
- Jaydev Vihar
- Acharya Vihar
- Vani Vihar
- CRP Square
Top routes from Sambalpur
- Sambalpur to Raipur Bus
- Sambalpur to Bhubaneswar Bus
- Sambalpur to Kolkata Bus
- Sambalpur to Cuttack Bus
- Sambalpur to Jeypore Bus
- Sambalpur to Bhawanipatna Bus
- Sambalpur to Keonjhar Bus
- Sambalpur to Ambikapur Bus
- Sambalpur to Brahmapur Bus
- Sambalpur to Balasore Bus
- Sambalpur to Baripada Bus
- Sambalpur to Howrah Bus
- Sambalpur to Angul Bus
- Sambalpur to Jamshedpur Bus
- Sambalpur to Nayagarh Bus
- Sambalpur to Patna Bus
- Sambalpur to Koraput Bus
- Sambalpur to Jashipur Bus
- Sambalpur to Junagarh Bus
- Sambalpur to Sunabeda Bus
- Sambalpur to Daspalla Bus
- Sambalpur to Bhanjanagar Bus
- Sambalpur to Bhadrak Bus
- Sambalpur to Balangir Bus
- Sambalpur to Puri Bus
- Sambalpur to Jharsuguda Bus
- Sambalpur to Rourkela Bus
- Sambalpur to Nabarangpur Bus
- Sambalpur to Pappadahandi Bus
- Sambalpur to Bargarh Bus
- Sambalpur to Khordha Bus
- Sambalpur to Hazaribagh Bus
- Sambalpur to Sunakhala Bus
- Sambalpur to Jashpur Bus
- Sambalpur to Bakhtiarpur Bus
- Sambalpur to Harnaut Bus
- Sambalpur to Delhi Bus
- Sambalpur to Giriak Bus
- Sambalpur to Rajgir Bus
- Sambalpur to Nagpur Bus
Top routes to Sambalpur
- Raipur to Sambalpur Bus
- Bhubaneswar to Sambalpur Bus
- Kolkata to Sambalpur Bus
- Bhawanipatna to Sambalpur Bus
- Cuttack to Sambalpur Bus
- Balasore to Sambalpur Bus
- Rourkela to Sambalpur Bus
- Ranchi to Sambalpur Bus
- Ambikapur to Sambalpur Bus
- Jeypore to Sambalpur Bus
- Jamshedpur to Sambalpur Bus
- Bhilai to Sambalpur Bus
- Baripada to Sambalpur Bus
- Keonjhar to Sambalpur Bus
- Nabarangpur to Sambalpur Bus
- Durg to Sambalpur Bus
- Pune to Sambalpur Bus
- Bhanjanagar to Sambalpur Bus
- Indore to Sambalpur Bus
- Koraput to Sambalpur Bus
- Daspalla to Sambalpur Bus
- Kalinga to Sambalpur Bus
- Brahmapur to Sambalpur Bus
- Sunakhala to Sambalpur Bus
- Nayagarh to Sambalpur Bus
- Sunabeda to Sambalpur Bus
- Jharsuguda to Sambalpur Bus
- Junagarh to Sambalpur Bus
- Boudh to Sambalpur Bus
- Pappadahandi to Sambalpur Bus
- Balangir to Sambalpur Bus
- Hazaribagh to Sambalpur Bus
- Bhadrak to Sambalpur Bus
- Korba to Sambalpur Bus
- Bihar Sharif to Sambalpur Bus
- Deogarh to Sambalpur Bus
- Dhenkanal to Sambalpur Bus
- Mukhiguda Township to Sambalpur Bus
- Jashipur to Sambalpur Bus
- Nagpur to Sambalpur Bus
Top routes to Bhubaneswar
- Kolkata to Bhubaneswar Bus
- Hyderabad to Bhubaneswar Bus
- Bangalore to Bhubaneswar Bus
- Visakhapatnam to Bhubaneswar Bus
- Ranchi to Bhubaneswar Bus
- Raipur to Bhubaneswar Bus
- Jamshedpur to Bhubaneswar Bus
- Durgapur to Bhubaneswar Bus
- Asansol to Bhubaneswar Bus
- Vijayawada to Bhubaneswar Bus
- Brahmapur to Bhubaneswar Bus
- Rourkela to Bhubaneswar Bus
- Jeypore to Bhubaneswar Bus
- Chennai to Bhubaneswar Bus
- Howrah to Bhubaneswar Bus
- Bhawanipatna to Bhubaneswar Bus
- Bankura to Bhubaneswar Bus
- Nabarangpur to Bhubaneswar Bus
- Baripada to Bhubaneswar Bus
- Balasore to Bhubaneswar Bus
- Koraput to Bhubaneswar Bus
- Tata to Bhubaneswar Bus
- Sambalpur to Bhubaneswar Bus
- Malkangiri to Bhubaneswar Bus
- Jharsuguda to Bhubaneswar Bus
- Rajahmundry to Bhubaneswar Bus
- Tirupati to Bhubaneswar Bus
- Bhanjanagar to Bhubaneswar Bus
- Bhilai to Bhubaneswar Bus
- Srikakulam to Bhubaneswar Bus
- Sunabeda to Bhubaneswar Bus
- Ichchapuram to Bhubaneswar Bus
- Guntur to Bhubaneswar Bus
- Sonepur to Bhubaneswar Bus
- Similiguda to Bhubaneswar Bus
- Jaggampeta to Bhubaneswar Bus
- Kharagpur to Bhubaneswar Bus
- Boudh to Bhubaneswar Bus
- Suryapet to Bhubaneswar Bus
- Phulbani to Bhubaneswar Bus
Top routes from Bhubaneswar
- Bhubaneswar to Kolkata Bus
- Bhubaneswar to Hyderabad Bus
- Bhubaneswar to Bangalore Bus
- Bhubaneswar to Visakhapatnam Bus
- Bhubaneswar to Ranchi Bus
- Bhubaneswar to Raipur Bus
- Bhubaneswar to Vijayawada Bus
- Bhubaneswar to Rourkela Bus
- Bhubaneswar to Asansol Bus
- Bhubaneswar to Durgapur Bus
- Bhubaneswar to Jamshedpur Bus
- Bhubaneswar to Jeypore Bus
- Bhubaneswar to Brahmapur Bus
- Bhubaneswar to Chennai Bus
- Bhubaneswar to Nabarangpur Bus
- Bhubaneswar to Koraput Bus
- Bhubaneswar to Baripada Bus
- Bhubaneswar to Bhawanipatna Bus
- Bhubaneswar to Malkangiri Bus
- Bhubaneswar to Bankura Bus
- Bhubaneswar to Howrah Bus
- Bhubaneswar to Phulbani Bus
- Bhubaneswar to Puri Bus
- Bhubaneswar to Sambalpur Bus
- Bhubaneswar to Tata Bus
- Bhubaneswar to Jharsuguda Bus
- Bhubaneswar to Rajahmundry Bus
- Bhubaneswar to Ambikapur Bus
- Bhubaneswar to Rayagada Bus
- Bhubaneswar to Similiguda Bus
- Bhubaneswar to Khordha Bus
- Bhubaneswar to Sunabeda Bus
- Bhubaneswar to Narasannapeta Bus
- Bhubaneswar to Ichchapuram Bus
- Bhubaneswar to Sompeta Bus
- Bhubaneswar to Kharagpur Bus
- Bhubaneswar to Boudh Bus
- Bhubaneswar to Guntur Bus
- Bhubaneswar to Rajanagaram Bus
- Bhubaneswar to Bhanjanagar Bus
Popular cities near Sambalpur
Popular cities near Bhubaneswar
- Brahmapur Bus
- Puri Bus
- Cuttack Bus
- Palasa Bus
- Nayagarh Bus
- Khordha Bus
- Baleswar Bus
- Balasore Bus
- Ichchapuram Bus
- Tekkali Bus
- Sompeta Bus
- Boudh Bus
- Narasannapeta Bus
- Bhanjanagar Bus
- Bhadrak Bus
- Daspalla Bus
- Srikakulam Bus
- Sunakhala Bus
- Digapahandi Bus
- Soro (Orissa) Bus
- Kakatpur Bus
- Phulbani Bus
- Keonjhar Bus
- Karanjia Bus
- Baripada Bus
- Berhampore Bus
- Dhenkanal Bus
- Ranasthalam Bus
- Visakhapatnam Bus
Top Bus Operators Between Sambalpur and Bhubaneswar
- OSRTC Bus
- Bus Odis Travels Bus
- Kunal Travels Bus
- Shivam Travels Bus
- OSRTC Bus
- Dildar Bus Service Bus
- Mahaveer Bus Service Bus
- Shriram Travels Bus
- Matrushakti Bus Service Bus
- Prashanti Bus
- Maa Samaleswari Travels Bus
- Minu Travels Bus
- Aryan (Shivom) Bus
- Grand Travels Bus
- Vasudeo Travels Bus
- Dolphin tours and travels Bus
- Ori Bus
- Vasudeo Travels Bus
- Sriramjee Benz Bus
- Shakti (BOT) Bus
- Shiv Shakti Transport Bus
Top Bus Operators from Sambalpur
- Sambalpur to Raipur New Laxmi Travels Bus
- Sambalpur to Kolkata Hans Travels Bus
- Sambalpur to Jeypore OSRTC Bus
- Sambalpur to Bhubaneswar Minu Travels Bus
- Sambalpur to Bhawanipatna OSRTC Bus
- Sambalpur to Cuttack Kunal Travels Bus
- Sambalpur to Ambikapur Kunal Travels Bus
- Sambalpur to Keonjhar OSRTC Bus
- Sambalpur to Balasore Hans Travels Bus
- Sambalpur to Brahmapur OSRTC Bus
- Sambalpur to Baripada Khushi Travels Bus
- Sambalpur to Patna Kashi Travels Bus
- Sambalpur to Angul Hans Travels Bus
Top Bus Operators to Bhubaneswar
- Hyderabad to Bhubaneswar Shyamoli Paribahan Pvt Ltd Bus
- Bangalore to Bhubaneswar Shyamoli Paribahan Pvt Ltd Bus
- Kolkata to Bhubaneswar Express Line Bus
- Raipur to Bhubaneswar Dolphin tours and travels Bus
- Visakhapatnam to Bhubaneswar SKS Logistics Bus
- Ranchi to Bhubaneswar ASHIRWAD BUS SERVICE Bus
- Jamshedpur to Bhubaneswar Shiv Shakti Bus
- Brahmapur to Bhubaneswar OSRTC Bus
Airport Routes to Bhubaneswar
Hotels in Sambalpur
Semi Sleeper Bus from Sambalpur
- Sambalpur to Raipur Semi Sleeper Bus
- Sambalpur to Kolkata Semi Sleeper Bus
- Sambalpur to Cuttack Semi Sleeper Bus
- Sambalpur to Jeypore Semi Sleeper Bus
- Sambalpur to Bhawanipatna Semi Sleeper Bus
- Sambalpur to Keonjhar Semi Sleeper Bus
- Sambalpur to Ambikapur Semi Sleeper Bus
- Sambalpur to Brahmapur Semi Sleeper Bus
- Sambalpur to Balasore Semi Sleeper Bus
- Sambalpur to Baripada Semi Sleeper Bus
- Sambalpur to Howrah Semi Sleeper Bus
- Sambalpur to Angul Semi Sleeper Bus
- Sambalpur to Jamshedpur Semi Sleeper Bus
- Sambalpur to Nayagarh Semi Sleeper Bus
- Sambalpur to Patna Semi Sleeper Bus
- Sambalpur to Koraput Semi Sleeper Bus
- Sambalpur to Jashipur Semi Sleeper Bus
- Sambalpur to Junagarh Semi Sleeper Bus
- Sambalpur to Sunabeda Semi Sleeper Bus
- Sambalpur to Daspalla Semi Sleeper Bus
- Sambalpur to Bhanjanagar Semi Sleeper Bus
- Sambalpur to Bhadrak Semi Sleeper Bus
- Sambalpur to Balangir Semi Sleeper Bus
- Sambalpur to Puri Semi Sleeper Bus
- Sambalpur to Jharsuguda Semi Sleeper Bus
- Sambalpur to Rourkela Semi Sleeper Bus
- Sambalpur to Nabarangpur Semi Sleeper Bus
- Sambalpur to Pappadahandi Semi Sleeper Bus
- Sambalpur to Bargarh Semi Sleeper Bus
- Sambalpur to Khordha Semi Sleeper Bus
- Sambalpur to Hazaribagh Semi Sleeper Bus
- Sambalpur to Sunakhala Semi Sleeper Bus
- Sambalpur to Jashpur Semi Sleeper Bus
- Sambalpur to Bakhtiarpur Semi Sleeper Bus
- Sambalpur to Harnaut Semi Sleeper Bus
- Sambalpur to Delhi Semi Sleeper Bus
- Sambalpur to Giriak Semi Sleeper Bus
- Sambalpur to Rajgir Semi Sleeper Bus
- Sambalpur to Nagpur Semi Sleeper Bus
Semi Sleeper Bus to Bhubaneswar
- Kolkata to Bhubaneswar Semi Sleeper Bus
- Hyderabad to Bhubaneswar Semi Sleeper Bus
- Bangalore to Bhubaneswar Semi Sleeper Bus
- Visakhapatnam to Bhubaneswar Semi Sleeper Bus
- Ranchi to Bhubaneswar Semi Sleeper Bus
- Raipur to Bhubaneswar Semi Sleeper Bus
- Jamshedpur to Bhubaneswar Semi Sleeper Bus
- Durgapur to Bhubaneswar Semi Sleeper Bus
- Asansol to Bhubaneswar Semi Sleeper Bus
- Vijayawada to Bhubaneswar Semi Sleeper Bus
- Brahmapur to Bhubaneswar Semi Sleeper Bus
- Rourkela to Bhubaneswar Semi Sleeper Bus
- Jeypore to Bhubaneswar Semi Sleeper Bus
- Chennai to Bhubaneswar Semi Sleeper Bus
- Howrah to Bhubaneswar Semi Sleeper Bus
- Bhawanipatna to Bhubaneswar Semi Sleeper Bus
- Bankura to Bhubaneswar Semi Sleeper Bus
- Nabarangpur to Bhubaneswar Semi Sleeper Bus
- Baripada to Bhubaneswar Semi Sleeper Bus
- Balasore to Bhubaneswar Semi Sleeper Bus
- Koraput to Bhubaneswar Semi Sleeper Bus
- Tata to Bhubaneswar Semi Sleeper Bus
- Malkangiri to Bhubaneswar Semi Sleeper Bus
- Jharsuguda to Bhubaneswar Semi Sleeper Bus
- Rajahmundry to Bhubaneswar Semi Sleeper Bus
- Tirupati to Bhubaneswar Semi Sleeper Bus
- Bhanjanagar to Bhubaneswar Semi Sleeper Bus
- Bhilai to Bhubaneswar Semi Sleeper Bus
- Srikakulam to Bhubaneswar Semi Sleeper Bus
- Sunabeda to Bhubaneswar Semi Sleeper Bus
- Ichchapuram to Bhubaneswar Semi Sleeper Bus
- Guntur to Bhubaneswar Semi Sleeper Bus
- Sonepur to Bhubaneswar Semi Sleeper Bus
- Similiguda to Bhubaneswar Semi Sleeper Bus
- Jaggampeta to Bhubaneswar Semi Sleeper Bus
- Kharagpur to Bhubaneswar Semi Sleeper Bus
- Boudh to Bhubaneswar Semi Sleeper Bus
- Suryapet to Bhubaneswar Semi Sleeper Bus
- Phulbani to Bhubaneswar Semi Sleeper Bus
Popular Volvo City Buses
- Visakhapatnam Volvo Bus
- Puri Volvo Bus
- Daspalla Volvo Bus
- Guntur Volvo Bus
- Bakhtiarpur Volvo Bus
- Jaggampeta Volvo Bus
- Hyderabad Volvo Bus
- Mukhiguda Township Volvo Bus
- Similiguda Volvo Bus
- Vijayawada Volvo Bus
- Bargarh Volvo Bus
- Bihar Sharif Volvo Bus
- Bangalore Volvo Bus
- Bhawanipatna Volvo Bus
- Narasannapeta Volvo Bus
- Bhilai Volvo Bus
- Indore Volvo Bus
- Bhadrak Volvo Bus
- Ranchi Volvo Bus
- Junagarh Volvo Bus
- Giriak Volvo Bus
- Howrah Volvo Bus
- Hazaribagh Volvo Bus
- Nagpur Volvo Bus
- Rourkela Volvo Bus
- Rajahmundry Volvo Bus
- Pappadahandi Volvo Bus
- Tirupati Volvo Bus
- Malkangiri Volvo Bus
- Srikakulam Volvo Bus
- Rajgir Volvo Bus
- Rayagada Volvo Bus
- Dhenkanal Volvo Bus
- Delhi Volvo Bus
- Bhanjanagar Volvo Bus
- Nayagarh Volvo Bus
- Durg Volvo Bus
- Balangir Volvo Bus
- Jeypore Volvo Bus
- Durgapur Volvo Bus
- Kolkata Volvo Bus
- Patna Volvo Bus
- Ichchapuram Volvo Bus
- Balasore Volvo Bus
- Tata Volvo Bus
- Cuttack Volvo Bus
- Sunakhala Volvo Bus
- Phulbani Volvo Bus
- Suryapet Volvo Bus
- Keonjhar Volvo Bus
- Ambikapur Volvo Bus
- Boudh Volvo Bus
- Sambalpur Volvo Bus
- Angul Volvo Bus
- Baripada Volvo Bus
- Jharsuguda Volvo Bus
- Jamshedpur Volvo Bus
- Jashipur Volvo Bus
- Pune Volvo Bus
- Raipur Volvo Bus
- Nabarangpur Volvo Bus
- Sompeta Volvo Bus
- Harnaut Volvo Bus
- Brahmapur Volvo Bus
- Sonepur Volvo Bus
- Bankura Volvo Bus
- Jashpur Volvo Bus
- Koraput Volvo Bus
- Bhubaneswar Volvo Bus
- Kalinga Volvo Bus
- Kharagpur Volvo Bus
- Khordha Volvo Bus
- Asansol Volvo Bus
- Korba Volvo Bus
- Chennai Volvo Bus
- Rajanagaram Volvo Bus
- Sunabeda Volvo Bus
- Deogarh Volvo Bus