Edit
Edit
December 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
Naidupeta to T.P Gudem NON-AC Seater Bus
- Goibibo
- Bus Ticket Booking
- Bus from Naidupeta to T.P Gudem
- Naidupeta to T.P Gudem NON-AC Seater Bus
Showing29 buses
Previous DayNext Day
Sort by:
BESTRATINGDEPARTUREARRIVALFASTESTCHEAPEST
| Bus Details | Time and Duration | Price | |
|---|---|---|---|
Starts at 18:05 | ₹739 Starts from | 1 Buses 33 seats left SHOW BUSESFrom ₹739 View all |
Naidupeta to T.P Gudem Other Buses
Pramukh Travels Volvo 9600 SLX Multi-Axle AC Sleeper (2+1) 4.5/5
| 00:45 Naidupeta 7h 0m 07:45 16th Dec Tadepalligudem | ₹1699 | SELECT SEAT 19 window seat 32 seats left ₹ 1699 |
| |||
PRM Roadways A/C Sleeper (2+1) 4.3/5 | 23:10 Naidupeta 7h 45m 06:55 16th Dec Tadepalligudem | ₹999 ₹1099 | SELECT SEAT 15 window seat 25 seats left ₹ 1099 ₹ 999 |
| |||
Express Line VE A/C Sleeper (2+1) 4.2/5
| 23:00 Naidupeta (By Pass) 8h 15m 07:15 16th Dec Tadepalligudem By-Pass Near Sakshi Paper Office | ₹933 ₹1037 | SELECT SEAT 21 window seat 34 seats left ₹ 1037 ₹ 933 |
| |||
MR Travels A/C Sleeper (2+1) 4.6/5
| 18:45 Naidupeta 8h 30m 03:15 16th Dec Tadepalligudem | ₹5699 ₹5999 | SELECT SEAT 16 window seat 28 seats left ₹ 5999 ₹ 5699 |
| |||
Shyamoli Paribahan Pvt Ltd A/C Sleeper (2+1) 4.2/5
| 23:00 Naidupeta Bypass 8h 15m 07:15 16th Dec Tadepalligudam | ₹928 | SELECT SEAT 16 window seat 28 seats left ₹ 928 |
| |||
Shyamoli Paribahan Pvt Ltd Volvo 9600 Multi-Axle A/C Sleeper (2+1) 4.2/5
| 00:55 Naidupeta Bypass 7h 15m 08:10 16th Dec Tadepalligudem Bypass | ₹1650 | SELECT SEAT 16 window seat 23 seats left ₹ 1650 |
| |||
Shyamoli Paribahan Pvt Ltd Volvo 9600 Multi-Axle A/C Sleeper (2+1) 4.2/5
| 23:59 Naidupeta Bypass 7h 16m 07:15 16th Dec Tadepalligudem Bypass | ₹1200 | SELECT SEAT 19 window seat 31 seats left ₹ 1200 |
| |||
LG BUS Bharat Benz A/C Sleeper (2+1) 4.3/5 | 23:35 Naidupet 8h 20m 07:55 16th Dec Tadepalligudem | ₹1600 | SELECT SEAT 13 window seat 23 seats left ₹ 1600 |
| |||
Express Line Volvo 9600 Multi-Axle A/C Sleeper (2+1) 4.2/5
| 00:35 Naidupeta (By Pass) 6h 40m 07:15 16th Dec Tadepalligudem By-Pass Near Sakshi Paper Office | ₹1119 ₹1243 | SELECT SEAT 20 window seat 32 seats left ₹ 1243 ₹ 1119 |
Svkdt travels A/C Sleeper (2+1) 4.2/5
| 00:30 Naidupeta 8h 0m 08:30 16th Dec Tadepalligudem | ₹1048 | SELECT SEAT 18 window seat 30 seats left ₹ 1048 |
|
FAQs About NON-AC Seater Buses from Naidupeta to T.P Gudem
Q. How many NON-AC Seater buses currently operating from Naidupeta to T.P Gudem?
A. There are 0 NON-AC Seater buses currently running from Naidupeta to T.P Gudem currently. Book Now
Q. What is the avg time taken by NON-AC Seater bus for Naidupeta T.P Gudem Journey?
A. The time taken for Naidupeta to T.P Gudem by NON-AC Seater bus via road travel is around 6h 3m (appx.). Book Now
Q. What is the cheapest bus fare between Naidupeta to T.P Gudem Travel on Goibibo?
A. The cheapest bus fare available between Naidupeta to T.P Gudem is ₹ 699. Book Now
Q. What are the popular bus operators currently serving buses for Naidupeta to T.P Gudem route?
A. Our top bus operators for Naidupeta to T.P Gudem bus route are: APSRTC, BigBus, Express Line, IRA TRANSPORTS, KVR Tours and Travels, LG BUS, MR Travels, Mayuri Travels, Morning Star Travels, Navayuga Travels Book Now
Boarding points in Naidupeta
- Naidupeta
- Naidupeta (By Pass)
- Naidupeta Bypass
- Naidupet
- Bus Stand
- Rtc bus stand
- Naidupeta (By-pass)
- NAIDUPET
- Naidupeta Bye Pass
- RTC Bus Stand
Dropping points in T.P Gudem
- NIT Collage
- Tadepalligudem
- Tadepalligudem By-Pass Near Sakshi Paper Office
- Tadepalligudam
- Tadepalligudem Bypass
- Nit College
- T.P Gudem By Pass
- Sakshi Office Bypass
- Tadepalligudem BY PASS
- T.P Gudem (Bypass)
Top routes from Naidupeta
- Naidupeta to Bangalore Bus
- Naidupeta to Hyderabad Bus
- Naidupeta to Visakhapatnam Bus
- Naidupeta to Vijayawada Bus
- Naidupeta to Guntur Bus
- Naidupeta to Chennai Bus
- Naidupeta to Anakapalle Bus
- Naidupeta to Srisailam Bus
- Naidupeta to Eluru Bus
- Naidupeta to Srikakulam Bus
- Naidupeta to Rajahmundry Bus
- Naidupeta to Bhadrachalam Bus
- Naidupeta to Bhimavaram Bus
- Naidupeta to Kodad Bus
- Naidupeta to Tiruchirapalli Bus
- Naidupeta to Markapuram Bus
- Naidupeta to Tuni Bus
- Naidupeta to Khammam Bus
- Naidupeta to Chilakaluripet Bus
- Naidupeta to Hindupur Bus
- Naidupeta to Annavaram Bus
- Naidupeta to Warangal Bus
- Naidupeta to Chityala Bus
- Naidupeta to Amalapuram Bus
- Naidupeta to Kakinada Bus
- Naidupeta to Addanki Bus
- Naidupeta to Nallajerla Bus
- Naidupeta to Ravulapalem Bus
- Naidupeta to Madurai Bus
- Naidupeta to Ongole Bus
- Naidupeta to Nakkapalli Bus
- Naidupeta to Nalgonda Bus
- Naidupeta to Gundugolanu Bus
- Naidupeta to Devarapalli Bus
- Naidupeta to Narketpalli (Telangana) Bus
- Naidupeta to Vijayanagaram Bus
- Naidupeta to Adda Road Circle Bus
- Naidupeta to Mangalagiri Bus
- Naidupeta to Samalkota Bus
- Naidupeta to Mangalagiri Bypass Bus
- Naidupeta to T.P Gudem Bus
Top routes to Naidupeta
- Bangalore to Naidupeta Bus
- Hyderabad to Naidupeta Bus
- Vijayawada to Naidupeta Bus
- Visakhapatnam to Naidupeta Bus
- Guntur to Naidupeta Bus
- Eluru to Naidupeta Bus
- Srikakulam to Naidupeta Bus
- Anakapalle to Naidupeta Bus
- Ambajipeta to Naidupeta Bus
- Chennai to Naidupeta Bus
- Tuni to Naidupeta Bus
- Srisailam to Naidupeta Bus
- Mysore to Naidupeta Bus
- Kurnool to Naidupeta Bus
- Chilakaluripet to Naidupeta Bus
- Warangal to Naidupeta Bus
- Tadepalligudem to Naidupeta Bus
- Amalapuram to Naidupeta Bus
- Rajahmundry to Naidupeta Bus
- Annavaram to Naidupeta Bus
- Nellore to Naidupeta Bus
- Mangalagiri to Naidupeta Bus
- Tanuku to Naidupeta Bus
- Ulundurpettai to Naidupeta Bus
- Machilipatnam to Naidupeta Bus
- Dharmapuri to Naidupeta Bus
- Tanuku (Bypass) to Naidupeta Bus
- Bhimavaram to Naidupeta Bus
- Ongole to Naidupeta Bus
- Tirupati to Naidupeta Bus
- Devarapalli to Naidupeta Bus
- Nalgonda to Naidupeta Bus
- Adda Road Circle to Naidupeta Bus
- Addanki to Naidupeta Bus
- Kakinada to Naidupeta Bus
- Narketpalli (Telangana) to Naidupeta Bus
- Vijayanagaram to Naidupeta Bus
- Mangalagiri Bypass to Naidupeta Bus
- Samalkota to Naidupeta Bus
- Sullurpet to Naidupeta Bus
Top routes to T.P Gudem
- Hyderabad to T.P Gudem Bus
- Chennai to T.P Gudem Bus
- Brahmapur to T.P Gudem Bus
- Tirupati to T.P Gudem Bus
- Bangalore to T.P Gudem Bus
- Visakhapatnam to T.P Gudem Bus
- Srikalahasthi to T.P Gudem Bus
- Nellore to T.P Gudem Bus
- Naidupeta to T.P Gudem Bus
- Ongole to T.P Gudem Bus
- Palamaner to T.P Gudem Bus
- Chittoor to T.P Gudem Bus
- Kavali to T.P Gudem Bus
- Guntur to T.P Gudem Bus
- Anakapalle to T.P Gudem Bus
- Chilakaluripet to T.P Gudem Bus
- Srikakulam to T.P Gudem Bus
- Thagarapuvalasa to T.P Gudem Bus
- Vijayanagaram to T.P Gudem Bus
- Tuni to T.P Gudem Bus
- Annavaram to T.P Gudem Bus
- Ranasthalam to T.P Gudem Bus
- Guduru (Andhra Pradesh) to T.P Gudem Bus
- Narasannapeta to T.P Gudem Bus
- Chilakapalem to T.P Gudem Bus
- Pydibimavaram to T.P Gudem Bus
- Martur to T.P Gudem Bus
- Medarametla to T.P Gudem Bus
- Singarayakonda to T.P Gudem Bus
- Tagarapuvalasa to T.P Gudem Bus
- Challavanipeta to T.P Gudem Bus
- Bobbili to T.P Gudem Bus
- Salur to T.P Gudem Bus
- Parvathipuram to T.P Gudem Bus
- Guduru (By-Pass) to T.P Gudem Bus
- Mangalagiri Bypass to T.P Gudem Bus
- Ramabhadrapuram to T.P Gudem Bus
- Gajapathinagaram to T.P Gudem Bus
- Paralakhemundi to T.P Gudem Bus
- Chipurupalle to T.P Gudem Bus
Top routes from T.P Gudem
- T.P Gudem to Brahmapur Bus
- T.P Gudem to Bangalore Bus
- T.P Gudem to Hyderabad Bus
- T.P Gudem to Visakhapatnam Bus
- T.P Gudem to Tirupati Bus
- T.P Gudem to Nellore Bus
- T.P Gudem to Srikalahasthi Bus
- T.P Gudem to Ongole Bus
- T.P Gudem to Naidupeta Bus
- T.P Gudem to Kavali Bus
- T.P Gudem to Anakapalle Bus
- T.P Gudem to Palamaner Bus
- T.P Gudem to Guntur Bus
- T.P Gudem to Chittoor Bus
- T.P Gudem to Chilakaluripet Bus
- T.P Gudem to Annavaram Bus
- T.P Gudem to Tuni Bus
- T.P Gudem to Srikakulam Bus
- T.P Gudem to Vijayanagaram Bus
- T.P Gudem to Ranasthalam Bus
- T.P Gudem to Thagarapuvalasa Bus
- T.P Gudem to Chilakapalem Bus
- T.P Gudem to Narasannapeta Bus
- T.P Gudem to Guduru (Andhra Pradesh) Bus
- T.P Gudem to Pydibimavaram Bus
- T.P Gudem to Martur Bus
- T.P Gudem to Razam Bus
- T.P Gudem to Tagarapuvalasa Bus
- T.P Gudem to Tekkali Bus
- T.P Gudem to Chennai Bus
- T.P Gudem to Bobbili Bus
- T.P Gudem to Salur Bus
- T.P Gudem to Saravakota Bus
- T.P Gudem to Challavanipeta Bus
- T.P Gudem to Parvathipuram Bus
- T.P Gudem to Mangalagiri Bypass Bus
- T.P Gudem to Chipurupalle Bus
- T.P Gudem to Guduru (By-Pass) Bus
- T.P Gudem to Paralakhemundi Bus
- T.P Gudem to Gajapathinagaram Bus
Popular cities near Naidupeta
- Ongole Bus
- Chilakaluripet Bus
- Nellore Bus
- Guntur Bus
- Kavali Bus
- Chittoor Bus
- Tirupati Bus
- Palamaner Bus
- Srikalahasthi Bus
- Martur Bus
- Vijayawada Bus
- Bangalore Bus
- Kolar Bus
- Addanki Bus
- Chennai Bus
- Piduguralla Bus
- Sullurpet Bus
- Mangalagiri Bypass Bus
- Podili Bus
- Mangalagiri Bus
- Gannavaram Bus
- Pamuru Bus
- Madanapalli Bus
- Kuppam Bus
- V.Kota Pond Bus
- Hanuman Junction Bus
- Miryalaguda Bypass Bus
- Dachepalle Bus
- Eluru Bus
- Narsaraopet Bus
Popular cities near T.P Gudem
Top Bus Operators Between Naidupeta and T.P Gudem
- Sri Krishna Travels Bus
- SRI RATAN TATA EXPRESS Bus
- Shyamoli Paribahan Pvt Ltd Bus
- Morning Star Travels Bus
- Ramana Tours And Travels Bus
- Sri VInayaka Travels(Siva's) Bus
- Tranzindia Travels Bus
- TNR Travels Bus
- SHIVA SAI TRAVELS Bus
- KVR Tours and Travels Bus
- K Kaveri Travels Bus
- BigBus Bus
- Express Line Bus
- Sri Tulasi Tours and Travels Bus
- Jagan Travels Bus
- KKaveri Travels Bus
- Sai Sree Travels Bus
- Sri Keerthana Sai Travels Bus
- Sri Shivanjaneya Travels Bus
- LUCKY TRAVELS Bus
- SKS Logistics Bus
- Jaishree Travels Bus
- YBM Travels(BLM) Bus
- VKV Travels Bus
- Dharani Tours and Travels Bus
- Prasanna Travels Bus
- Kamakshi Tours And Travels Bus
- CVR Travels Bus
- Intercity travels Bus
- Sri Neeladri Travels Bus
- MRP Roadlines Bus
- Mayuri Travels Bus
- Vinay's Tours and Travels Bus
- PRM Roadways Bus
- Ravindra Tours and Travels Bus
- DMR Travels Bus
- Abhishek Bus
- MAHA BUS
- GARUDA TOURS AND LOGISTICS Bus
- VARAHI TRAVELS Bus
- Spectra Connect Bus
- V Kaveri Travels Bus
- SREE VIJAYADURGA TRAVELS Bus
- KKaveri Travels Bus
- APSRTC Bus
- LION Travels Bus
- SREE VENKATESHWARA TRAVELS Bus
- Surendra Buses Bus
- MR Travels Bus
- Ram Dalal Holidays Pvt Ltd Bus
- Shree Manikanta Travels Bus
- Padma Travels Bus
- ROYAL XPRESS Bus
- LG BUS
- Sri Hari Tours & Travels Bus
- Svkdt travels Bus
- KVR Tours and Travels Bus
- Sri KVR Travels Bus
- SST(Sanvika) Travels Bus
- Srivastav Travels Bus
- Siri Tours and Travels Bus
- IRA TRANSPORTS Bus
- SRI NAVEEN TRAVELS Bus
- Indian Xpress Bus
- Navayuga Travels Bus
Top Bus Operators from Naidupeta
Top Bus Operators to T.P Gudem
NON-AC Seater Bus from Naidupeta
- Naidupeta to Bangalore NON-AC Seater Bus
- Naidupeta to Hyderabad NON-AC Seater Bus
- Naidupeta to Visakhapatnam NON-AC Seater Bus
- Naidupeta to Vijayawada NON-AC Seater Bus
- Naidupeta to Guntur NON-AC Seater Bus
- Naidupeta to Chennai NON-AC Seater Bus
- Naidupeta to Anakapalle NON-AC Seater Bus
- Naidupeta to Srisailam NON-AC Seater Bus
- Naidupeta to Eluru NON-AC Seater Bus
- Naidupeta to Srikakulam NON-AC Seater Bus
- Naidupeta to Rajahmundry NON-AC Seater Bus
- Naidupeta to Bhadrachalam NON-AC Seater Bus
- Naidupeta to Bhimavaram NON-AC Seater Bus
- Naidupeta to Kodad NON-AC Seater Bus
- Naidupeta to Tiruchirapalli NON-AC Seater Bus
- Naidupeta to Markapuram NON-AC Seater Bus
- Naidupeta to Tuni NON-AC Seater Bus
- Naidupeta to Khammam NON-AC Seater Bus
- Naidupeta to Chilakaluripet NON-AC Seater Bus
- Naidupeta to Hindupur NON-AC Seater Bus
- Naidupeta to Annavaram NON-AC Seater Bus
- Naidupeta to Warangal NON-AC Seater Bus
- Naidupeta to Chityala NON-AC Seater Bus
- Naidupeta to Amalapuram NON-AC Seater Bus
- Naidupeta to Kakinada NON-AC Seater Bus
- Naidupeta to Addanki NON-AC Seater Bus
- Naidupeta to Nallajerla NON-AC Seater Bus
- Naidupeta to Ravulapalem NON-AC Seater Bus
- Naidupeta to Madurai NON-AC Seater Bus
- Naidupeta to Ongole NON-AC Seater Bus
- Naidupeta to Nakkapalli NON-AC Seater Bus
- Naidupeta to Nalgonda NON-AC Seater Bus
- Naidupeta to Gundugolanu NON-AC Seater Bus
- Naidupeta to Devarapalli NON-AC Seater Bus
- Naidupeta to Narketpalli (Telangana) NON-AC Seater Bus
- Naidupeta to Vijayanagaram NON-AC Seater Bus
- Naidupeta to Adda Road Circle NON-AC Seater Bus
- Naidupeta to Mangalagiri NON-AC Seater Bus
- Naidupeta to Samalkota NON-AC Seater Bus
- Naidupeta to Mangalagiri Bypass NON-AC Seater Bus
NON-AC Seater Bus to T.P Gudem
- Hyderabad to T.P Gudem NON-AC Seater Bus
- Chennai to T.P Gudem NON-AC Seater Bus
- Brahmapur to T.P Gudem NON-AC Seater Bus
- Tirupati to T.P Gudem NON-AC Seater Bus
- Bangalore to T.P Gudem NON-AC Seater Bus
- Visakhapatnam to T.P Gudem NON-AC Seater Bus
- Srikalahasthi to T.P Gudem NON-AC Seater Bus
- Nellore to T.P Gudem NON-AC Seater Bus
- Ongole to T.P Gudem NON-AC Seater Bus
- Palamaner to T.P Gudem NON-AC Seater Bus
- Chittoor to T.P Gudem NON-AC Seater Bus
- Kavali to T.P Gudem NON-AC Seater Bus
- Guntur to T.P Gudem NON-AC Seater Bus
- Anakapalle to T.P Gudem NON-AC Seater Bus
- Chilakaluripet to T.P Gudem NON-AC Seater Bus
- Srikakulam to T.P Gudem NON-AC Seater Bus
- Thagarapuvalasa to T.P Gudem NON-AC Seater Bus
- Vijayanagaram to T.P Gudem NON-AC Seater Bus
- Tuni to T.P Gudem NON-AC Seater Bus
- Annavaram to T.P Gudem NON-AC Seater Bus
- Ranasthalam to T.P Gudem NON-AC Seater Bus
- Guduru (Andhra Pradesh) to T.P Gudem NON-AC Seater Bus
- Narasannapeta to T.P Gudem NON-AC Seater Bus
- Chilakapalem to T.P Gudem NON-AC Seater Bus
- Pydibimavaram to T.P Gudem NON-AC Seater Bus
- Martur to T.P Gudem NON-AC Seater Bus
- Medarametla to T.P Gudem NON-AC Seater Bus
- Singarayakonda to T.P Gudem NON-AC Seater Bus
- Tagarapuvalasa to T.P Gudem NON-AC Seater Bus
- Challavanipeta to T.P Gudem NON-AC Seater Bus
- Bobbili to T.P Gudem NON-AC Seater Bus
- Salur to T.P Gudem NON-AC Seater Bus
- Parvathipuram to T.P Gudem NON-AC Seater Bus
- Guduru (By-Pass) to T.P Gudem NON-AC Seater Bus
- Mangalagiri Bypass to T.P Gudem NON-AC Seater Bus
- Ramabhadrapuram to T.P Gudem NON-AC Seater Bus
- Gajapathinagaram to T.P Gudem NON-AC Seater Bus
- Paralakhemundi to T.P Gudem NON-AC Seater Bus
- Chipurupalle to T.P Gudem NON-AC Seater Bus
Popular Volvo City Buses
- Addanki Volvo Bus
- Pydibimavaram Volvo Bus
- Khammam Volvo Bus
- Ravulapalem Volvo Bus
- Madurai Volvo Bus
- Salur Volvo Bus
- Chipurupalle Volvo Bus
- Palamaner Volvo Bus
- Tanuku Volvo Bus
- Hindupur Volvo Bus
- Vijayawada Volvo Bus
- Nallajerla Volvo Bus
- Gundugolanu Volvo Bus
- Srikalahasthi Volvo Bus
- T.P Gudem Volvo Bus
- Kurnool Volvo Bus
- Bobbili Volvo Bus
- Mangalagiri Volvo Bus
- Srisailam Volvo Bus
- Challavanipeta Volvo Bus
- Vijayanagaram Volvo Bus
- Nellore Volvo Bus
- Ambajipeta Volvo Bus
- Chennai Volvo Bus
- Machilipatnam Volvo Bus
- Tirupati Volvo Bus
- Visakhapatnam Volvo Bus
- Nakkapalli Volvo Bus
- Nalgonda Volvo Bus
- Amalapuram Volvo Bus
- Devarapalli Volvo Bus
- Tuni Volvo Bus
- Narasannapeta Volvo Bus
- Ulundurpettai Volvo Bus
- Dharmapuri Volvo Bus
- Adda Road Circle Volvo Bus
- Naidupeta Volvo Bus
- Tiruchirapalli Volvo Bus
- Eluru Volvo Bus
- Brahmapur Volvo Bus
- Guduru (Andhra Pradesh) Volvo Bus
- Gajapathinagaram Volvo Bus
- Parvathipuram Volvo Bus
- Bhimavaram Volvo Bus
- Chilakapalem Volvo Bus
- Razam Volvo Bus
- Srikakulam Volvo Bus
- Chilakaluripet Volvo Bus
- Tekkali Volvo Bus
- Singarayakonda Volvo Bus
- Bhadrachalam Volvo Bus
- Chittoor Volvo Bus
- Thagarapuvalasa Volvo Bus
- Tadepalligudem Volvo Bus
- Hyderabad Volvo Bus
- Mysore Volvo Bus
- Ongole Volvo Bus
- Ranasthalam Volvo Bus
- Anakapalle Volvo Bus
- Tagarapuvalasa Volvo Bus
- Kodad Volvo Bus
- Samalkota Volvo Bus
- Markapuram Volvo Bus
- Medarametla Volvo Bus
- Ramabhadrapuram Volvo Bus
- Guntur Volvo Bus
- Rajahmundry Volvo Bus
- Annavaram Volvo Bus
- Narketpalli (Telangana) Volvo Bus
- Warangal Volvo Bus
- Martur Volvo Bus
- Mangalagiri Bypass Volvo Bus
- Paralakhemundi Volvo Bus
- Saravakota Volvo Bus
- Guduru (By-Pass) Volvo Bus
- Tanuku (Bypass) Volvo Bus
- Sullurpet Volvo Bus
- Kavali Volvo Bus
- Chityala Volvo Bus
- Kakinada Volvo Bus
- Bangalore Volvo Bus