Edit
Edit
July 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
Baroda to Ratnal Gsrtc Bus Tickets Booking
- Goibibo
- Book Bus Tickets
- Bus from Baroda to Ratnal
- Baroda to Ratnal Gsrtc Bus Booking
Showing11 buses
Previous DayNext Day
Sort by:
BESTRATINGDEPARTUREARRIVALFASTESTCHEAPEST
| Bus Details | Time and Duration | Price | |
|---|---|---|---|
GSRTC NON A/C Sleeper (2+1) | 17:25 BARODA CENTRAL BUS STATION 7h 50m 01:15 27th Jul RATNAL | ₹432 | SELECT SEAT 8 window seat  13 seats left ₹ 432 |
| |||
GSRTC NON A/C Sleeper (2+1) | 17:25 BARODA CENTRAL BUS STATION 7h 50m 01:15 27th Jul RATNAL | ₹342 | SELECT SEAT 18 window seat  28 seats left ₹ 342 |
| |||
GSRTC NON A/C Sleeper (2+1) | 18:15 BARODA 9h 15m 03:30 27th Jul RATNAL | ₹336 | SELECT SEAT 18 window seat  28 seats left ₹ 336 |
| |||
GSRTC NON A/C Sleeper (2+1) | 18:15 BARODA 9h 15m 03:30 27th Jul RATNAL | ₹426 | SELECT SEAT 8 window seat  13 seats left ₹ 426 |
| |||
GSRTC Non AC Seater (2+2) | 05:00 BARODA CENTRAL BUS STATION 10h 15m 15:15 27th Jul RATNAL | ₹342 | SELECT SEAT 18 window seat  41 seats left ₹ 342 |
| |||
GSRTC Volvo A/C Seater (2+2) | 20:15 BARODA CENTRAL BUS STATION 9h 40m 05:55 27th Jul RATNAL | ₹1106 | SELECT SEAT 20 window seat  44 seats left ₹ 1106 |
| |||
GSRTC NON A/C Sleeper (2+1) | 23:20 BARODA CENTRAL BUS STATION 10h 5m 09:25 27th Jul RATNAL | ₹432 | SELECT SEAT 8 window seat  13 seats left ₹ 432 |
| |||
GSRTC NON A/C Sleeper (2+1) | 23:20 BARODA CENTRAL BUS STATION 10h 5m 09:25 27th Jul RATNAL | ₹342 | SELECT SEAT 18 window seat  28 seats left ₹ 342 |
| |||
GSRTC A/C Seater (2+1) | 20:15 BARODA CENTRAL BUS STATION 9h 40m 05:55 27th Jul RATNAL | ₹965 | SELECT SEAT 13 window seat  20 seats left ₹ 965 |
| |||
GSRTC NON A/C Sleeper (2+1) | 20:30 BARODA CENTRAL BUS STATION 10h 5m 06:35 27th Jul RATNAL | ₹426 | SELECT SEAT 8 window seat  13 seats left ₹ 426 |
|
FAQs About Gsrtc Buses from Baroda to Ratnal
Q. By when Gsrtc first bus leave from Baroda?
A. First bus of Gsrtc leaves from Baroda at around 05:00. More information available at Goibibo. Book Now
Q. How many buses operated between Baroda to Ratnal by Gsrtc currently?
A. There are around 11 buses currently getting operated by Gsrtc between Baroda to Ratnal. Book Now
Q. What is the minimum fare for Baroda to Ratnal bus specially by Gsrtc?
A. Baroda to Ratnal fare for Gsrtc is around Rs. 336 approx. Book Now
Q. How many hours it takes to travel from Baroda to Ratnal by Gsrtc?
A. Baroda to Ratnal journey takes around 7h 5m by Gsrtc. Book Now
Boarding points in Baroda
- BARODA CENTRAL BUS STATION
- BARODA
Dropping points in Ratnal
- RATNAL
Top routes from Baroda
- Baroda to Ahmedabad Bus
- Baroda to Rajkot Bus
- Baroda to Pune Bus
- Baroda to Mumbai Bus
- Baroda to Indore Bus
- Baroda to Jamnagar Bus
- Baroda to Nashik Bus
- Baroda to Surat Bus
- Baroda to Udaipur Bus
- Baroda to Junagadh Bus
- Baroda to Jaipur Bus
- Baroda to Aurangabad Bus
- Baroda to Bhopal Bus
- Baroda to Bhuj Bus
- Baroda to Porbandar Bus
- Baroda to Bhavnagar Bus
- Baroda to Jodhpur Bus
- Baroda to Vapi Bus
- Baroda to Shirdi Bus
- Baroda to Bharuch Bus
- Baroda to Veraval Bus
- Baroda to Panvel Bus
- Baroda to Mundra Bus
- Baroda to Dwarka Bus
- Baroda to Gandhidham Bus
- Baroda to Kolhapur Bus
- Baroda to Diu(Gujarat) Bus
- Baroda to Somnath Bus
- Baroda to Keshod Bus
- Baroda to Mount Abu Bus
- Baroda to Dahod Bus
- Baroda to Bagodra Bus
- Baroda to Jetpur Bus
- Baroda to Gondal Bus
- Baroda to Dhandhuka Bus
- Baroda to Kherwara Bus
- Baroda to Abu Road Bus
- Baroda to Gandhinagar Bus
- Baroda to Sirohi Bus
- Baroda to Himmatnagar Bus
- Baroda to Ratnal Bus
Top routes to Baroda
- Ahmedabad to Baroda Bus
- Pune to Baroda Bus
- Rajkot to Baroda Bus
- Indore to Baroda Bus
- Jamnagar to Baroda Bus
- Mumbai to Baroda Bus
- Nashik to Baroda Bus
- Jaipur to Baroda Bus
- Surat to Baroda Bus
- Bhopal to Baroda Bus
- Aurangabad to Baroda Bus
- Junagadh to Baroda Bus
- Udaipur to Baroda Bus
- Bhavnagar to Baroda Bus
- Porbandar to Baroda Bus
- Jodhpur to Baroda Bus
- Kolhapur to Baroda Bus
- Bhuj to Baroda Bus
- Panvel to Baroda Bus
- Somnath to Baroda Bus
- Vapi to Baroda Bus
- Dwarka to Baroda Bus
- Shirdi to Baroda Bus
- Gandhidham to Baroda Bus
- Dombivali to Baroda Bus
- Gorakhpur to Baroda Bus
- Veraval to Baroda Bus
- Mundra to Baroda Bus
- Dahod to Baroda Bus
- Ujjain to Baroda Bus
- Sayla to Baroda Bus
- Chikhli to Baroda Bus
- Gondal to Baroda Bus
- Virpur to Baroda Bus
- Jetpur to Baroda Bus
- Nathdwara to Baroda Bus
- Bardoli to Baroda Bus
- Dhandhuka to Baroda Bus
- Sirohi to Baroda Bus
- Abu Road to Baroda Bus
Top routes to Ratnal
Top routes from Ratnal
- Ratnal to Ahmedabad Bus
- Ratnal to Bhachau Bus
- Ratnal to Morbi Bus
- Ratnal to Halvad Bus
- Ratnal to Bhuj Bus
- Ratnal to Santalpur(Gujrat) Bus
- Ratnal to Varahi(Gujrat) Bus
- Ratnal to Mandvi Bus
- Ratnal to Baroda Bus
- Ratnal to Dhrol Bus
- Ratnal to Hansalpur (Gujarat) Bus
- Ratnal to Jetpur Bus
- Ratnal to Jamnagar Bus
- Ratnal to Vadodara Bus
- Ratnal to Deesa Bus
- Ratnal to Radhanpur Bus
- Ratnal to Anand Bus
- Ratnal to Palanpur Bus
- Ratnal to Harij Bus
- Ratnal to Orpat (Morbi) Bus
- Ratnal to Nadiad Bus
- Ratnal to Keshod Bus
- Ratnal to Babra Bus
- Ratnal to Dahod Bus
- Ratnal to Godhra Bus
- Ratnal to Atkot Bus
- Ratnal to Porbandar Bus
- Ratnal to Mehsana Bus
- Ratnal to Veraval Bus
- Ratnal to Surat Bus
- Ratnal to Pavagadh Bus
- Ratnal to Talod Bus
- Ratnal to Ahmedabad (Airport) Bus
- Ratnal to Jambughoda Bus
- Ratnal to Barmer Bus
- Ratnal to Tajpur Bus
- Ratnal to Dhinoj Bus
- Ratnal to Gadu Bus
- Ratnal to Kukma Bus
- Ratnal to Kathlal Bus
Popular cities near Baroda
- Surat Bus
- Ahmedabad Bus
- Bharuch Bus
- Ankleshwar Bus
- Navsari Bus
- Mehsana Bus
- Valsad Bus
- Limbdi Bus
- Anand Bus
- Kamrej Bus
- Nadiad Bus
- Unjha Bus
- Kim Bus
- Vapi Bus
- Sidhpur Bus
- Chikhali(Gujarat) Bus
- Chotila Bus
- Palanpur Bus
- Sayla Bus
- Kalol Bus
- Dahod Bus
- Bagodra Bus
- Bardoli Bus
- Bhavnagar Bus
- Chikhli Bus
- Gandhinagar Bus
- Shamlaji Bus
- Himmatnagar Bus
- Vataman Bus
- Unava Bus
Popular cities near Ratnal
- Bhachau Bus
- Morbi Bus
- Halvad Bus
- Bhuj Bus
- Santalpur(Gujrat) Bus
- Varahi(Gujrat) Bus
- Mandvi Bus
- Dhrol Bus
- Hansalpur (Gujarat) Bus
- Radhanpur Bus
- Orpat (Morbi) Bus
- Palasava Bus
- Matanomadh Bus
- Naliya Bus
- Manjal (Gujarat) Bus
- Gandhidham Bus
- Anjar Bus
- Adipur Bus
- Pandhro Bus
- Kukma Bus
- Asambia Mota Bus
- Gaduli Bus
- Dahisara Bus
- Nakhatrana Bus
- Dayapar Bus
- Lakadia Bus
- Adesar, Gujarat Bus
- Bharuch Bus
- Dhrangdhra Bus
Top Bus Operators Between Baroda and Ratnal
Top Bus Operators from Baroda
- Baroda to Ahmedabad GSRTC Bus
- Baroda to Surat GSRTC Bus
- Baroda to Rajkot GSRTC Bus
- Baroda to Rajkot Neeta tours and travels Bus
- Baroda to Pune Ganga Travels Go!Red BENZ Bus
- Baroda to Indore Shrinath® Travel Agency Pvt. Ltd. Bus
- Baroda to Bharuch GSRTC Bus
- Baroda to Bhavnagar GSRTC Bus
- Baroda to Jamnagar Samay travels Bus
- Baroda to Jamnagar New Payal Travels (Baroda) Bus
- Baroda to Jamnagar Neeta tours and travels Bus
- Baroda to Pune Orange Tours and Travels Grand Bus
- Baroda to Rajkot Samay travels Bus
- Baroda to Junagadh Mahasagar Travels Bus
- Baroda to Pune Gujarat travels Bus
- Baroda to Udaipur Shreenath Travellers Pvt Ltd Bus
- Baroda to Vapi GSRTC Bus
- Baroda to Indore Sky Travels Bus
- Baroda to Nashik Shrinath Solitaire Bus
- Baroda to Jodhpur M R Travels Bus
- Baroda to Mumbai Ganga Travels Go!Red BENZ Bus
- Baroda to Jaipur Shrinath Solitaire Bus
- Baroda to Junagadh GSRTC Bus
- Baroda to Indore Intercity Travels Indore Bus
- Baroda to Rajkot New Payal Travels (Baroda) Bus
- Baroda to Jaipur SeemaPooja® Travels Bus
- Baroda to Mumbai Eagle falcon bus
Top Bus Operators to Ratnal
- Morbi to Ratnal GSRTC Bus
- Ahmedabad to Ratnal GSRTC Bus
- Morbi to Ratnal GSRTC Bus
- Halvad to Ratnal GSRTC Bus
- Bhachau to Ratnal GSRTC Bus
- Nakhatrana to Ratnal GSRTC Bus
- Ahmedabad to Ratnal GSRTC Bus
- Hansalpur (Gujarat) to Ratnal GSRTC Bus
- Radhanpur to Ratnal GSRTC Bus
- Varahi(Gujrat) to Ratnal GSRTC Bus
- Junagadh to Ratnal GSRTC Bus
- Radhanpur to Ratnal GSRTC Bus
- Vadodara to Ratnal GSRTC Bus
- Jetpur to Ratnal GSRTC Bus
- Varahi(Gujrat) to Ratnal GSRTC Bus
- Santalpur(Gujrat) to Ratnal GSRTC Bus
- Baroda to Ratnal GSRTC Bus
- Orpat (Morbi) to Ratnal GSRTC Bus
- Junagadh to Ratnal GSRTC Bus
- Kukma to Ratnal GSRTC Bus
- Baroda to Ratnal GSRTC Bus
- Keshod to Ratnal GSRTC Bus
- Vadodara to Ratnal GSRTC Bus
- Bhuj to Ratnal GSRTC Bus
- Dhrol to Ratnal GSRTC Bus
- Jamnagar to Ratnal GSRTC Bus
- Palasava to Ratnal GSRTC Bus
- Virpur to Ratnal GSRTC Bus
- Dhrol to Ratnal GSRTC Bus
- Keshod to Ratnal GSRTC Bus
Airport Routes from Ratnal
Airport Routes to Ratnal
Popular Bus Types
- Baroda to Ratnal Volvo AC Seater Sleeper Bus
- Ratnal to Baroda Volvo AC Seater Sleeper Bus
- Baroda to Ratnal Volvo AC Semi-Sleeper Bus
- Ratnal to Baroda Volvo AC Semi-Sleeper Bus
- Baroda to Ratnal Volvo AC Seater Bus
- Ratnal to Baroda Volvo AC Seater Bus
- Baroda to Ratnal Volvo AC Sleeper Bus
- Ratnal to Baroda Volvo AC Sleeper Bus
- Baroda to Ratnal AC Semi-Sleeper Bus
- Ratnal to Baroda AC Semi-Sleeper Bus
- Baroda to Ratnal NON-AC Semi-Sleeper Bus
- Ratnal to Baroda NON-AC Semi-Sleeper Bus
- Baroda to Ratnal NON-AC Seater Sleeper Bus
- Ratnal to Baroda NON-AC Seater Sleeper Bus
- Baroda to Ratnal AC Seater Sleeper Bus
- Ratnal to Baroda AC Seater Sleeper Bus
- Baroda to Ratnal NON-AC Seater Bus
- Ratnal to Baroda NON-AC Seater Bus
- Baroda to Ratnal NON-AC Sleeper Bus
- Ratnal to Baroda NON-AC Sleeper Bus
- Baroda to Ratnal AC Seater Bus
- Ratnal to Baroda AC Seater Bus
- Baroda to Ratnal AC Sleeper Bus
- Ratnal to Baroda AC Sleeper Bus
- Baroda to Ratnal Seater Sleeper Bus
- Ratnal to Baroda Seater Sleeper Bus
- Baroda to Ratnal Semi-Sleeper Bus
- Ratnal to Baroda Semi-Sleeper Bus
- Baroda to Ratnal Volvo Bus
- Ratnal to Baroda Volvo Bus
- Baroda to Ratnal Bharatbenz Bus
- Ratnal to Baroda Bharatbenz Bus
- Baroda to Ratnal Scania Bus
- Ratnal to Baroda Scania Bus
- Baroda to Ratnal Mercedes-Benz Bus
- Ratnal to Baroda Mercedes-Benz Bus
- Baroda to Ratnal AC Bus
- Ratnal to Baroda AC Bus
- Baroda to Ratnal NON-AC Bus
- Ratnal to Baroda NON-AC Bus
- Baroda to Ratnal Seater Bus
- Ratnal to Baroda Seater Bus
- Baroda to Ratnal Sleeper Bus
- Ratnal to Baroda Sleeper Bus
Popular Volvo Bus Routes To Baroda
- Ahmedabad to Baroda Volvo Bus
- Pune to Baroda Volvo Bus
- Rajkot to Baroda Volvo Bus
- Indore to Baroda Volvo Bus
- Jamnagar to Baroda Volvo Bus
- Mumbai to Baroda Volvo Bus
- Nashik to Baroda Volvo Bus
- Jaipur to Baroda Volvo Bus
- Surat to Baroda Volvo Bus
- Bhopal to Baroda Volvo Bus
- Aurangabad to Baroda Volvo Bus
- Junagadh to Baroda Volvo Bus
- Udaipur to Baroda Volvo Bus
- Bhavnagar to Baroda Volvo Bus
- Porbandar to Baroda Volvo Bus
- Jodhpur to Baroda Volvo Bus
- Kolhapur to Baroda Volvo Bus
- Bhuj to Baroda Volvo Bus
- Panvel to Baroda Volvo Bus
- Somnath to Baroda Volvo Bus
- Vapi to Baroda Volvo Bus
- Dwarka to Baroda Volvo Bus
- Shirdi to Baroda Volvo Bus
- Gandhidham to Baroda Volvo Bus
- Dombivali to Baroda Volvo Bus
- Gorakhpur to Baroda Volvo Bus
- Veraval to Baroda Volvo Bus
- Mundra to Baroda Volvo Bus
- Dahod to Baroda Volvo Bus
- Ujjain to Baroda Volvo Bus
- Sayla to Baroda Volvo Bus
- Chikhli to Baroda Volvo Bus
- Gondal to Baroda Volvo Bus
- Virpur to Baroda Volvo Bus
- Jetpur to Baroda Volvo Bus
- Nathdwara to Baroda Volvo Bus
- Bardoli to Baroda Volvo Bus
- Dhandhuka to Baroda Volvo Bus
- Sirohi to Baroda Volvo Bus
- Abu Road to Baroda Volvo Bus
Popular Volvo Bus Routes From Baroda
- Baroda to Ahmedabad Volvo Bus
- Baroda to Rajkot Volvo Bus
- Baroda to Pune Volvo Bus
- Baroda to Mumbai Volvo Bus
- Baroda to Indore Volvo Bus
- Baroda to Jamnagar Volvo Bus
- Baroda to Nashik Volvo Bus
- Baroda to Surat Volvo Bus
- Baroda to Udaipur Volvo Bus
- Baroda to Junagadh Volvo Bus
- Baroda to Jaipur Volvo Bus
- Baroda to Aurangabad Volvo Bus
- Baroda to Bhopal Volvo Bus
- Baroda to Bhuj Volvo Bus
- Baroda to Porbandar Volvo Bus
- Baroda to Bhavnagar Volvo Bus
- Baroda to Jodhpur Volvo Bus
- Baroda to Vapi Volvo Bus
- Baroda to Shirdi Volvo Bus
- Baroda to Bharuch Volvo Bus
- Baroda to Veraval Volvo Bus
- Baroda to Panvel Volvo Bus
- Baroda to Mundra Volvo Bus
- Baroda to Dwarka Volvo Bus
- Baroda to Gandhidham Volvo Bus
- Baroda to Kolhapur Volvo Bus
- Baroda to Diu(Gujarat) Volvo Bus
- Baroda to Somnath Volvo Bus
- Baroda to Keshod Volvo Bus
- Baroda to Mount Abu Volvo Bus
- Baroda to Dahod Volvo Bus
- Baroda to Bagodra Volvo Bus
- Baroda to Jetpur Volvo Bus
- Baroda to Gondal Volvo Bus
- Baroda to Dhandhuka Volvo Bus
- Baroda to Kherwara Volvo Bus
- Baroda to Abu Road Volvo Bus
- Baroda to Gandhinagar Volvo Bus
- Baroda to Sirohi Volvo Bus
- Baroda to Himmatnagar Volvo Bus
Popular Volvo Bus Routes From Ratnal
- Ratnal to Ahmedabad Volvo Bus
- Ratnal to Bhachau Volvo Bus
- Ratnal to Morbi Volvo Bus
- Ratnal to Halvad Volvo Bus
- Ratnal to Bhuj Volvo Bus
- Ratnal to Santalpur(Gujrat) Volvo Bus
- Ratnal to Varahi(Gujrat) Volvo Bus
- Ratnal to Mandvi Volvo Bus
- Ratnal to Baroda Volvo Bus
- Ratnal to Dhrol Volvo Bus
- Ratnal to Hansalpur (Gujarat) Volvo Bus
- Ratnal to Jetpur Volvo Bus
- Ratnal to Jamnagar Volvo Bus
- Ratnal to Vadodara Volvo Bus
- Ratnal to Deesa Volvo Bus
- Ratnal to Radhanpur Volvo Bus
- Ratnal to Anand Volvo Bus
- Ratnal to Palanpur Volvo Bus
- Ratnal to Harij Volvo Bus
- Ratnal to Orpat (Morbi) Volvo Bus
- Ratnal to Nadiad Volvo Bus
- Ratnal to Keshod Volvo Bus
- Ratnal to Babra Volvo Bus
- Ratnal to Dahod Volvo Bus
- Ratnal to Godhra Volvo Bus
- Ratnal to Atkot Volvo Bus
- Ratnal to Porbandar Volvo Bus
- Ratnal to Mehsana Volvo Bus
- Ratnal to Veraval Volvo Bus
- Ratnal to Surat Volvo Bus
- Ratnal to Pavagadh Volvo Bus
- Ratnal to Talod Volvo Bus
- Ratnal to Ahmedabad (Airport) Volvo Bus
- Ratnal to Jambughoda Volvo Bus
- Ratnal to Barmer Volvo Bus
- Ratnal to Tajpur Volvo Bus
- Ratnal to Dhinoj Volvo Bus
- Ratnal to Gadu Volvo Bus
- Ratnal to Kukma Volvo Bus
- Ratnal to Kathlal Volvo Bus
Popular Volvo City Buses
- Himmatnagar Volvo Bus
- Pune Volvo Bus
- Harij Volvo Bus
- Mandvi Volvo Bus
- Ujjain Volvo Bus
- Ratnal Volvo Bus
- Deesa Volvo Bus
- Halvad Volvo Bus
- Mehsana Volvo Bus
- Aurangabad Volvo Bus
- Kolhapur Volvo Bus
- Panvel Volvo Bus
- Jambughoda Volvo Bus
- Shirdi Volvo Bus
- Dombivali Volvo Bus
- Bagodra Volvo Bus
- Gadu Volvo Bus
- Veraval Volvo Bus
- Babra Volvo Bus
- Gondal Volvo Bus
- Indore Volvo Bus
- Morbi Volvo Bus
- Nashik Volvo Bus
- Porbandar Volvo Bus
- Talod Volvo Bus
- Somnath Volvo Bus
- Gandhidham Volvo Bus
- Dhrol Volvo Bus
- Tajpur Volvo Bus
- Jetpur Volvo Bus
- Gandhinagar Volvo Bus
- Bhachau Volvo Bus
- Bhuj Volvo Bus
- Abu Road Volvo Bus
- Dwarka Volvo Bus
- Ahmedabad Volvo Bus
- Bhavnagar Volvo Bus
- Junagadh Volvo Bus
- Rajkot Volvo Bus
- Radhanpur Volvo Bus
- Godhra Volvo Bus
- Mount Abu Volvo Bus
- Sirohi Volvo Bus
- Ahmedabad (Airport) Volvo Bus
- Mundra Volvo Bus
- Barmer Volvo Bus
- Nathdwara Volvo Bus
- Nadiad Volvo Bus
- Baroda Volvo Bus
- Jamnagar Volvo Bus
- Surat Volvo Bus
- Jodhpur Volvo Bus
- Mumbai Volvo Bus
- Hansalpur (Gujarat) Volvo Bus
- Vapi Volvo Bus
- Kherwara Volvo Bus
- Sayla Volvo Bus
- Chikhli Volvo Bus
- Bhopal Volvo Bus
- Diu(Gujarat) Volvo Bus
- Atkot Volvo Bus
- Keshod Volvo Bus
- Dahod Volvo Bus
- Virpur Volvo Bus
- Orpat (Morbi) Volvo Bus
- Vadodara Volvo Bus
- Bardoli Volvo Bus
- Pavagadh Volvo Bus
- Jaipur Volvo Bus
- Bharuch Volvo Bus
- Dhinoj Volvo Bus
- Dhandhuka Volvo Bus
- Udaipur Volvo Bus
- Santalpur(Gujrat) Volvo Bus
- Palanpur Volvo Bus
- Kathlal Volvo Bus
- Varahi(Gujrat) Volvo Bus
- Gorakhpur Volvo Bus
- Anand Volvo Bus
- Kukma Volvo Bus