Edit
Edit
August 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
- 31
Surat to Sami(Gujrat) GSRTC Bus Tickets Booking
- Goibibo
- Book Bus Tickets
- Bus from Surat to Sami(Gujrat)
- Surat to Sami(Gujrat) GSRTC Bus Booking
Showing10 buses
Next Day
Sort by:
BESTRATINGDEPARTUREARRIVALFASTESTCHEAPEST
Surat to Sami(Gujrat) Other Buses
Vaghani Travels NON A/C Sleeper (2+1) 4.5/5 | 21:30 Sardar Market 9h 45m 07:15 28th Aug Sami bus stand | ₹800 | SELECT SEAT 15 window seat  30 seats left ₹ 800 |
| |||
GSRTC Sleeper (Non AC Sleeper 2+1) 3.8/5 | 18:00 Central Bus Stand 9h 30m 03:30 28th Aug SAMI | ₹412 | SELECT SEAT 8 window seat  13 seats left ₹ 412 |
| |||
GSRTC Non AC Seater (2+1) 3.8/5 | 18:00 Central Bus Stand 9h 30m 03:30 28th Aug SAMI | ₹322 | SELECT SEAT 18 window seat  28 seats left ₹ 322 |
| |||
GSRTC Express(Non AC Seater) 3.8/5 | 06:30 Central Bus Stand 9h 30m 16:00 28th Aug SAMI | ₹279 | SELECT SEAT 13 window seat  40 seats left ₹ 279 |
| |||
GSRTC Express(Non AC Seater) 3.8/5 | 07:30 Central Bus Stand 9h 30m 17:00 28th Aug SAMI | ₹279 | SELECT SEAT 13 window seat  40 seats left ₹ 279 |
| |||
GSRTC Non AC Seater (2+1) 3.8/5 | 21:25 Central Bus Stand 9h 10m 06:35 28th Aug SAMI | ₹325 | SELECT SEAT 18 window seat  28 seats left ₹ 325 |
| |||
GSRTC Sleeper (Non AC Sleeper 2+1) 3.8/5 | 17:15 Central Bus Stand 9h 5m 02:20 28th Aug SAMIROAD | ₹423 | SELECT SEAT 8 window seat  13 seats left ₹ 423 |
| |||
GSRTC Non AC Seater (2+1) 3.8/5 | 17:05 Central Bus Stand 9h 15m 02:20 28th Aug SAMIROAD | ₹333 | SELECT SEAT 18 window seat  28 seats left ₹ 333 |
| |||
GSRTC Sleeper (Non AC Sleeper 2+1) 3.8/5 | 20:30 Central Bus Stand 8h 0m 04:30 28th Aug SAMIROAD | ₹423 | SELECT SEAT 8 window seat  13 seats left ₹ 423 |
| |||
GSRTC Non AC Seater (2+1) 3.8/5 | 20:30 Delhi Gate 8h 0m 04:30 28th Aug SAMIROAD | ₹333 | SELECT SEAT 18 window seat  28 seats left ₹ 333 |
|
FAQs About GSRTC Buses from Surat to Sami(Gujrat)
Q. By when GSRTC first bus leave from Surat?
A. First bus of GSRTC leaves from Surat at around 06:30. More information available at Goibibo. Book Now
Q. How many buses operated between Surat to Sami(Gujrat) by GSRTC currently?
A. There are around 0 buses currently getting operated by GSRTC between Surat to Sami(Gujrat). Book Now
Q. What is the minimum fare for Surat to Sami(Gujrat) bus specially by GSRTC?
A. Surat to Sami(Gujrat) fare for GSRTC is around Rs. 279 approx. Book Now
Q. How many hours it takes to travel from Surat to Sami(Gujrat) by GSRTC?
A. Surat to Sami(Gujrat) journey takes around 8h 0m by GSRTC. Book Now
Boarding points in Surat
- Pal Rajhans Cinema
- Sardar Market
- Gotalavadi
- Manasarovar Heights
- Hirabaug Varachha
- Kapodra
- Nana Varachha Dhal
- Jakat Naka
- Sarthana Jakat Naka
- Shyam Dham Mandir
Dropping points in Sami(Gujrat)
- Sami bus stand
- SAMI
- SAMIROAD
Top routes from Surat
- Surat to Ahmedabad Bus
- Surat to Pune Bus
- Surat to Rajkot Bus
- Surat to Indore Bus
- Surat to Udaipur Bus
- Surat to Nashik Bus
- Surat to Mumbai Bus
- Surat to Jamnagar Bus
- Surat to Nagpur Bus
- Surat to Aurangabad Bus
- Surat to Bhopal Bus
- Surat to Junagadh Bus
- Surat to Jaipur Bus
- Surat to Bhavnagar Bus
- Surat to Jodhpur Bus
- Surat to Nathdwara Bus
- Surat to Kolhapur Bus
- Surat to Shirdi Bus
- Surat to Bangalore Bus
- Surat to Baroda Bus
- Surat to Jetpur Bus
- Surat to Ujjain Bus
- Surat to Pali Bus
- Surat to Gondal Bus
- Surat to Bhilwara Bus
- Surat to Dwarka Bus
- Surat to Amreli Bus
- Surat to Gandhinagar Bus
- Surat to Nanded Bus
- Surat to Mehsana Bus
- Surat to Sidhpur Bus
- Surat to Lonavala Bus
- Surat to Halol Bus
- Surat to Tarapur Bus
- Surat to Panvel Bus
- Surat to Sayla Bus
- Surat to Shamlaji Bus
- Surat to Himmatnagar Bus
- Surat to Kherwara Bus
- Surat to Nandasan Bus
- Surat to Sami(Gujrat) Bus
Top routes to Surat
- Pune to Surat Bus
- Rajkot to Surat Bus
- Ahmedabad to Surat Bus
- Indore to Surat Bus
- Udaipur to Surat Bus
- Nashik to Surat Bus
- Mumbai to Surat Bus
- Jamnagar to Surat Bus
- Nagpur to Surat Bus
- Aurangabad to Surat Bus
- Jaipur to Surat Bus
- Bhopal to Surat Bus
- Junagadh to Surat Bus
- Bhavnagar to Surat Bus
- Jodhpur to Surat Bus
- Nathdwara to Surat Bus
- Bangalore to Surat Bus
- Kolhapur to Surat Bus
- Shirdi to Surat Bus
- Ujjain to Surat Bus
- Baroda to Surat Bus
- Bhilwara to Surat Bus
- Jetpur to Surat Bus
- Gandhinagar to Surat Bus
- Mehsana to Surat Bus
- Mahuva to Surat Bus
- Dwarka to Surat Bus
- Gondal to Surat Bus
- Bikaner to Surat Bus
- Delhi to Surat Bus
- Godhra to Surat Bus
- Sidhpur to Surat Bus
- Lonavala to Surat Bus
- Halol to Surat Bus
- Kim to Surat Bus
- Kamrej to Surat Bus
- Panvel to Surat Bus
- Tarapur to Surat Bus
- Sirohi to Surat Bus
- Nandasan to Surat Bus
Top routes to Sami(Gujrat)
Top routes from Sami(Gujrat)
- Sami(Gujrat) to Bhuj Bus
- Sami(Gujrat) to Somnath Bus
- Sami(Gujrat) to Ahmedabad Bus
- Sami(Gujrat) to Gandhidham Bus
- Sami(Gujrat) to Anjar Bus
- Sami(Gujrat) to Adipur Bus
- Sami(Gujrat) to Mehsana Bus
- Sami(Gujrat) to Rajkot Bus
- Sami(Gujrat) to Baroda Bus
- Sami(Gujrat) to Vadodara Bus
- Sami(Gujrat) to Chotila Bus
- Sami(Gujrat) to Surat Bus
- Sami(Gujrat) to Ankleshwar Bus
- Sami(Gujrat) to Kukma Bus
- Sami(Gujrat) to Jetpur Bus
- Sami(Gujrat) to Junagadh Bus
- Sami(Gujrat) to Viramgam Bus
- Sami(Gujrat) to Bharuch Bus
- Sami(Gujrat) to Gondal Bus
- Sami(Gujrat) to Kamrej Bus
- Sami(Gujrat) to Kim Bus
- Sami(Gujrat) to Malvan Bus
- Sami(Gujrat) to Ambikanagar Bus
- Sami(Gujrat) to Bhachau Bus
- Sami(Gujrat) to Himmatnagar Bus
- Sami(Gujrat) to Anand Bus
- Sami(Gujrat) to Chitrod Bus
- Sami(Gujrat) to Modasa Bus
- Sami(Gujrat) to Kheda Bus
- Sami(Gujrat) to Bhabhar Bus
- Sami(Gujrat) to Khambhat Bus
- Sami(Gujrat) to Matanomadh Bus
- Sami(Gujrat) to Harij Bus
- Sami(Gujrat) to Baspa Bus
- Sami(Gujrat) to Dakor Bus
- Sami(Gujrat) to Dhinoj Bus
- Sami(Gujrat) to Matar Bus
- Sami(Gujrat) to Fatepura Bus
- Sami(Gujrat) to Chanasma Bus
- Sami(Gujrat) to Diyodar Bus
Popular cities near Surat
Popular cities near Sami(Gujrat)
Top Bus Operators Between Surat and Sami(Gujrat)
Top Bus Operators from Surat
- Surat to Pune Maharaja Paulo Travels Bus
- Surat to Ahmedabad GSRTC Bus
- Surat to Ahmedabad Kabra Express Logistics Pvt .Ltd. Bus
- Surat to Pune JAY KHODIYAR BUS SERVICE PVT LTD Bus
- Surat to Udaipur Shreenath Travellers Pvt Ltd Bus
- Surat to Pune Sai Darshan Travels Bus
- Surat to Jamnagar Samay Travels Bus
- Surat to Udaipur Shrinath Solitaire Bus
- Surat to Nagpur Shihori Travels Bus
- Surat to Rajkot Samay Travels Bus
- Surat to Ahmedabad Paras Travels Bus
- Surat to Ahmedabad Pavan Travels Bus
- Surat to Ahmedabad GSRTC Bus
- Surat to Nashik Sai Darshan Travels Bus
- Surat to Pune Jay khodiyar travels Bus
- Surat to Rajkot Raghav Travels Bus
- Surat to Pune Shreenath travelers Bus
- Surat to Rajkot Pavan Travels Bus
- Surat to Baroda GSRTC Bus
- Surat to Rajkot JAY KHODIYAR BUS SERVICE PVT LTD Bus
- Surat to Indore Hans Travels Bus
- Surat to Ahmedabad Shivay Travels Bus
- Surat to Ahmedabad Shilpa Travels Bus
- Surat to Pune Ravi Krishna Travels Bus
- Surat to Indore Sai Darshan Travels Bus
- Surat to Rajkot Patel Travels (Surat) Bus
- Surat to Rajkot RSR Travels Bus
- Surat to Nashik King travels Bus
- Surat to Aurangabad Musafir Travels Bus
- Surat to Pune King travels Bus
Top Bus Operators to Sami(Gujrat)
- Ahmedabad to Sami(Gujrat) GSRTC Bus
- Ahmedabad to Sami(Gujrat) GSRTC Bus
- Bhachau to Sami(Gujrat) GSRTC Bus
- Adipur to Sami(Gujrat) GSRTC Bus
- Gandhidham to Sami(Gujrat) GSRTC Bus
- Anjar to Sami(Gujrat) GSRTC Bus
- Viramgam to Sami(Gujrat) GSRTC Bus
- Vadodara to Sami(Gujrat) GSRTC Bus
- Baroda to Sami(Gujrat) GSRTC Bus
- Bhachau to Sami(Gujrat) GSRTC Bus
- Gandhidham to Sami(Gujrat) GSRTC Bus
- Rajkot to Sami(Gujrat) GSRTC Bus
- Bhuj to Sami(Gujrat) GSRTC Bus
- Anjar to Sami(Gujrat) GSRTC Bus
- Chotila to Sami(Gujrat) GSRTC Bus
- Vadodara to Sami(Gujrat) GSRTC Bus
- Baroda to Sami(Gujrat) GSRTC Bus
- Rajkot to Sami(Gujrat) GSRTC Bus
- Surat to Sami(Gujrat) GSRTC Bus
- Bhuj to Sami(Gujrat) GSRTC Bus
- Kim to Sami(Gujrat) GSRTC Bus
- Adipur to Sami(Gujrat) GSRTC Bus
- Chotila to Sami(Gujrat) GSRTC Bus
- Mehsana to Sami(Gujrat) GSRTC Bus
- Kukma to Sami(Gujrat) GSRTC Bus
- Diyodar to Sami(Gujrat) GSRTC Bus
- Ankleshwar to Sami(Gujrat) GSRTC Bus
- Bharuch to Sami(Gujrat) GSRTC Bus
- Junagadh to Sami(Gujrat) GSRTC Bus
- Surat to Sami(Gujrat) GSRTC Bus
Airport Routes from Surat
Airport Routes to Surat
Popular Hotels in Surat
Hotels in Surat
Popular Bus Types
- Surat to Sami(Gujrat) Volvo AC Seater Sleeper Bus
- Sami(Gujrat) to Surat Volvo AC Seater Sleeper Bus
- Surat to Sami(Gujrat) Volvo AC Semi-Sleeper Bus
- Sami(Gujrat) to Surat Volvo AC Semi-Sleeper Bus
- Surat to Sami(Gujrat) Volvo AC Seater Bus
- Sami(Gujrat) to Surat Volvo AC Seater Bus
- Surat to Sami(Gujrat) Volvo AC Sleeper Bus
- Sami(Gujrat) to Surat Volvo AC Sleeper Bus
- Surat to Sami(Gujrat) AC Semi-Sleeper Bus
- Sami(Gujrat) to Surat AC Semi-Sleeper Bus
- Surat to Sami(Gujrat) NON-AC Semi-Sleeper Bus
- Sami(Gujrat) to Surat NON-AC Semi-Sleeper Bus
- Surat to Sami(Gujrat) NON-AC Seater Sleeper Bus
- Sami(Gujrat) to Surat NON-AC Seater Sleeper Bus
- Surat to Sami(Gujrat) AC Seater Sleeper Bus
- Sami(Gujrat) to Surat AC Seater Sleeper Bus
- Surat to Sami(Gujrat) NON-AC Seater Bus
- Sami(Gujrat) to Surat NON-AC Seater Bus
- Surat to Sami(Gujrat) NON-AC Sleeper Bus
- Sami(Gujrat) to Surat NON-AC Sleeper Bus
- Surat to Sami(Gujrat) AC Seater Bus
- Sami(Gujrat) to Surat AC Seater Bus
- Surat to Sami(Gujrat) AC Sleeper Bus
- Sami(Gujrat) to Surat AC Sleeper Bus
- Surat to Sami(Gujrat) Seater Sleeper Bus
- Sami(Gujrat) to Surat Seater Sleeper Bus
- Surat to Sami(Gujrat) Semi-Sleeper Bus
- Sami(Gujrat) to Surat Semi-Sleeper Bus
- Surat to Sami(Gujrat) Volvo Bus
- Sami(Gujrat) to Surat Volvo Bus
- Surat to Sami(Gujrat) Bharatbenz Bus
- Sami(Gujrat) to Surat Bharatbenz Bus
- Surat to Sami(Gujrat) Scania Bus
- Sami(Gujrat) to Surat Scania Bus
- Surat to Sami(Gujrat) Mercedes-Benz Bus
- Sami(Gujrat) to Surat Mercedes-Benz Bus
- Surat to Sami(Gujrat) AC Bus
- Sami(Gujrat) to Surat AC Bus
- Surat to Sami(Gujrat) NON-AC Bus
- Sami(Gujrat) to Surat NON-AC Bus
- Surat to Sami(Gujrat) Seater Bus
- Sami(Gujrat) to Surat Seater Bus
- Surat to Sami(Gujrat) Sleeper Bus
- Sami(Gujrat) to Surat Sleeper Bus
Popular Volvo Bus Routes To Surat
- Pune to Surat Volvo Bus
- Rajkot to Surat Volvo Bus
- Ahmedabad to Surat Volvo Bus
- Indore to Surat Volvo Bus
- Udaipur to Surat Volvo Bus
- Nashik to Surat Volvo Bus
- Mumbai to Surat Volvo Bus
- Jamnagar to Surat Volvo Bus
- Nagpur to Surat Volvo Bus
- Aurangabad to Surat Volvo Bus
- Jaipur to Surat Volvo Bus
- Bhopal to Surat Volvo Bus
- Junagadh to Surat Volvo Bus
- Bhavnagar to Surat Volvo Bus
- Jodhpur to Surat Volvo Bus
- Nathdwara to Surat Volvo Bus
- Bangalore to Surat Volvo Bus
- Kolhapur to Surat Volvo Bus
- Shirdi to Surat Volvo Bus
- Ujjain to Surat Volvo Bus
- Baroda to Surat Volvo Bus
- Bhilwara to Surat Volvo Bus
- Jetpur to Surat Volvo Bus
- Gandhinagar to Surat Volvo Bus
- Mehsana to Surat Volvo Bus
- Mahuva to Surat Volvo Bus
- Dwarka to Surat Volvo Bus
- Gondal to Surat Volvo Bus
- Bikaner to Surat Volvo Bus
- Delhi to Surat Volvo Bus
- Godhra to Surat Volvo Bus
- Sidhpur to Surat Volvo Bus
- Lonavala to Surat Volvo Bus
- Halol to Surat Volvo Bus
- Kim to Surat Volvo Bus
- Kamrej to Surat Volvo Bus
- Panvel to Surat Volvo Bus
- Tarapur to Surat Volvo Bus
- Sirohi to Surat Volvo Bus
- Nandasan to Surat Volvo Bus
Popular Volvo Bus Routes From Surat
- Surat to Ahmedabad Volvo Bus
- Surat to Pune Volvo Bus
- Surat to Rajkot Volvo Bus
- Surat to Indore Volvo Bus
- Surat to Udaipur Volvo Bus
- Surat to Nashik Volvo Bus
- Surat to Mumbai Volvo Bus
- Surat to Jamnagar Volvo Bus
- Surat to Nagpur Volvo Bus
- Surat to Aurangabad Volvo Bus
- Surat to Bhopal Volvo Bus
- Surat to Junagadh Volvo Bus
- Surat to Jaipur Volvo Bus
- Surat to Bhavnagar Volvo Bus
- Surat to Jodhpur Volvo Bus
- Surat to Nathdwara Volvo Bus
- Surat to Kolhapur Volvo Bus
- Surat to Shirdi Volvo Bus
- Surat to Bangalore Volvo Bus
- Surat to Baroda Volvo Bus
- Surat to Jetpur Volvo Bus
- Surat to Ujjain Volvo Bus
- Surat to Pali Volvo Bus
- Surat to Gondal Volvo Bus
- Surat to Bhilwara Volvo Bus
- Surat to Dwarka Volvo Bus
- Surat to Amreli Volvo Bus
- Surat to Gandhinagar Volvo Bus
- Surat to Nanded Volvo Bus
- Surat to Mehsana Volvo Bus
- Surat to Sidhpur Volvo Bus
- Surat to Lonavala Volvo Bus
- Surat to Halol Volvo Bus
- Surat to Tarapur Volvo Bus
- Surat to Panvel Volvo Bus
- Surat to Sayla Volvo Bus
- Surat to Shamlaji Volvo Bus
- Surat to Himmatnagar Volvo Bus
- Surat to Kherwara Volvo Bus
- Surat to Nandasan Volvo Bus
Popular Volvo Bus Routes From Sami(Gujrat)
- Sami(Gujrat) to Bhuj Volvo Bus
- Sami(Gujrat) to Somnath Volvo Bus
- Sami(Gujrat) to Ahmedabad Volvo Bus
- Sami(Gujrat) to Gandhidham Volvo Bus
- Sami(Gujrat) to Anjar Volvo Bus
- Sami(Gujrat) to Adipur Volvo Bus
- Sami(Gujrat) to Mehsana Volvo Bus
- Sami(Gujrat) to Rajkot Volvo Bus
- Sami(Gujrat) to Baroda Volvo Bus
- Sami(Gujrat) to Vadodara Volvo Bus
- Sami(Gujrat) to Chotila Volvo Bus
- Sami(Gujrat) to Surat Volvo Bus
- Sami(Gujrat) to Ankleshwar Volvo Bus
- Sami(Gujrat) to Kukma Volvo Bus
- Sami(Gujrat) to Jetpur Volvo Bus
- Sami(Gujrat) to Junagadh Volvo Bus
- Sami(Gujrat) to Viramgam Volvo Bus
- Sami(Gujrat) to Bharuch Volvo Bus
- Sami(Gujrat) to Gondal Volvo Bus
- Sami(Gujrat) to Kamrej Volvo Bus
- Sami(Gujrat) to Kim Volvo Bus
- Sami(Gujrat) to Malvan Volvo Bus
- Sami(Gujrat) to Ambikanagar Volvo Bus
- Sami(Gujrat) to Bhachau Volvo Bus
- Sami(Gujrat) to Himmatnagar Volvo Bus
- Sami(Gujrat) to Anand Volvo Bus
- Sami(Gujrat) to Chitrod Volvo Bus
- Sami(Gujrat) to Modasa Volvo Bus
- Sami(Gujrat) to Kheda Volvo Bus
- Sami(Gujrat) to Bhabhar Volvo Bus
- Sami(Gujrat) to Khambhat Volvo Bus
- Sami(Gujrat) to Matanomadh Volvo Bus
- Sami(Gujrat) to Harij Volvo Bus
- Sami(Gujrat) to Baspa Volvo Bus
- Sami(Gujrat) to Dakor Volvo Bus
- Sami(Gujrat) to Dhinoj Volvo Bus
- Sami(Gujrat) to Matar Volvo Bus
- Sami(Gujrat) to Fatepura Volvo Bus
- Sami(Gujrat) to Chanasma Volvo Bus
- Sami(Gujrat) to Diyodar Volvo Bus
Popular Volvo City Buses
- Jaipur Volvo Bus
- Mehsana Volvo Bus
- Ambikanagar Volvo Bus
- Pune Volvo Bus
- Anand Volvo Bus
- Delhi Volvo Bus
- Bhabhar Volvo Bus
- Baroda Volvo Bus
- Kamrej Volvo Bus
- Nanded Volvo Bus
- Amreli Volvo Bus
- Surat Volvo Bus
- Junagadh Volvo Bus
- Modasa Volvo Bus
- Godhra Volvo Bus
- Jodhpur Volvo Bus
- Jetpur Volvo Bus
- Chanasma Volvo Bus
- Matar Volvo Bus
- Nandasan Volvo Bus
- Somnath Volvo Bus
- Bhavnagar Volvo Bus
- Dwarka Volvo Bus
- Baspa Volvo Bus
- Shamlaji Volvo Bus
- Nashik Volvo Bus
- Sami(Gujrat) Volvo Bus
- Kheda Volvo Bus
- Rajkot Volvo Bus
- Bhopal Volvo Bus
- Bharuch Volvo Bus
- Shirdi Volvo Bus
- Anjar Volvo Bus
- Tarapur Volvo Bus
- Pali Volvo Bus
- Malvan Volvo Bus
- Khambhat Volvo Bus
- Halol Volvo Bus
- Ahmedabad Volvo Bus
- Kolhapur Volvo Bus
- Chitrod Volvo Bus
- Panvel Volvo Bus
- Harij Volvo Bus
- Aurangabad Volvo Bus
- Indore Volvo Bus
- Sidhpur Volvo Bus
- Adipur Volvo Bus
- Bangalore Volvo Bus
- Dakor Volvo Bus
- Chotila Volvo Bus
- Kim Volvo Bus
- Kherwara Volvo Bus
- Diyodar Volvo Bus
- Udaipur Volvo Bus
- Gandhinagar Volvo Bus
- Bikaner Volvo Bus
- Ujjain Volvo Bus
- Fatepura Volvo Bus
- Jamnagar Volvo Bus
- Vadodara Volvo Bus
- Viramgam Volvo Bus
- Kukma Volvo Bus
- Lonavala Volvo Bus
- Mumbai Volvo Bus
- Bhilwara Volvo Bus
- Gondal Volvo Bus
- Matanomadh Volvo Bus
- Nagpur Volvo Bus
- Bhachau Volvo Bus
- Sayla Volvo Bus
- Sirohi Volvo Bus
- Dhinoj Volvo Bus
- Bhuj Volvo Bus
- Himmatnagar Volvo Bus
- Gandhidham Volvo Bus
- Mahuva Volvo Bus
- Ankleshwar Volvo Bus
- Nathdwara Volvo Bus