Edit
Edit
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
Nirmal to Hyderabad Semi Sleeper Bus
- Goibibo
- Bus Ticket Booking
- Bus from Nirmal to Hyderabad
- Nirmal to Hyderabad Semi Sleeper Bus
Showing108 buses
Previous DayNext Day
Sort by:
BESTRATINGDEPARTUREARRIVALFASTESTCHEAPEST
| Bus Details | Time and Duration | Price | |
|---|---|---|---|
Starts at 00:20 | ₹343 Starts from | 56 Buses 1848 seats left SHOW BUSESFrom ₹343 View all | |
Muskan Travels NON A/C Semi Sleeper (2+2) 3.6/5 | 00:01 Nirmal 5h 59m 06:00 1st Nov Putlibowli | ₹520 | SELECT SEAT 16 window seat 36 seats left ₹ 520 |
|
Nirmal to Hyderabad Other Buses
Orange Tours and Travels Volvo Multi-Axle A/C (2+2) 4.6/5 36 Reviews | 06:20 Mancherial X road 3h 55m 10:15 1st Nov Jubilee Bus Station JBS | ₹600 | SELECT SEAT 22 window seat 49 seats left ₹ 600 |
| |||
VKV Travels A/C Sleeper (2+1) 4.5/5
| 17:25 Nirmal Bypass 5h 35m 23:00 1st Nov Putlibowli | ₹988 ₹1040 | SELECT SEAT 13 window seat 24 seats left ₹ 1040 ₹ 988 |
| |||
Sitara Travels NON A/C Sleeper (2+1) 4.8/5 | 23:34 Nirmal 5h 41m 05:15 1st Nov Putlibowli | ₹576 ₹658 | SELECT SEAT 18 window seat 30 seats left ₹ 658 ₹ 576 |
| |||
Sitara Travels NON A/C Airbus (2+2) 4.8/5 10 Reviews | 23:34 Nirmal 5h 41m 05:15 1st Nov Putlibowli | ₹481 ₹550 | SELECT SEAT 14 window seat 34 seats left ₹ 550 ₹ 481 |
| |||
B R Travels A/C Sleeper (2+1) 4.3/5
| 21:15 NIRMAL BY PASS WELCOM GATE POINT 4h 25m 01:40 1st Nov Shamshabad | ₹4285 | SELECT SEAT 22 window seat 36 seats left ₹ 4285 |
| |||
TGSRTC Lahari Non A/C Sleeper Cum Seater 4.6/5 20 Reviews | 23:55 NIRMAL BS 4h 15m 04:10 1st Nov Kompally | ₹353 | SELECT SEAT 28 window seat 44 seats left ₹ 353 |
| |||
Sahara Tours and Travels Non AC Seater (2+2) 4.3/5 5 Reviews | 23:59 Nirmal 5h 1m 05:00 1st Nov Putlibowli | ₹499 | SELECT SEAT 14 window seat 34 seats left ₹ 499 |
| |||
TGSRTC SUPER LUXURY (NON-AC, 2 + 2 PUSH BACK) 4.8/5 9 Reviews | 04:00 NIRMAL BS 4h 40m 08:40 1st Nov Jubilee Bus Station JBS | ₹353 | SELECT SEAT 12 window seat 30 seats left ₹ 353 |
| |||
TGSRTC SUPER LUXURY (NON-AC, 2 + 2 PUSH BACK) 4.7/5 8 Reviews | 05:00 NIRMAL BS 5h 30m 10:30 1st Nov Jubilee Bus Station JBS | ₹353 | SELECT SEAT 13 window seat 31 seats left ₹ 353 |
| |||
TGSRTC SUPER LUXURY (NON-AC, 2 + 2 PUSH BACK) 4.6/5 8 Reviews | 22:55 NIRMAL BS 4h 0m 02:55 1st Nov Kompally | ₹353 | SELECT SEAT 13 window seat 31 seats left ₹ 353 |
|
FAQs About Semi Sleeper Buses from Nirmal to Hyderabad
Q. How many Semi Sleeper buses currently operating from Nirmal to Hyderabad?
A. There are 13 Semi Sleeper buses currently running from Nirmal to Hyderabad currently. Book Now
Q. What is the avg time taken by Semi Sleeper bus for Nirmal Hyderabad Journey?
A. The time taken for Nirmal to Hyderabad by Semi Sleeper bus via road travel is around 2h 5m (appx.). Book Now
Q. What is the cheapest bus fare between Nirmal to Hyderabad Travel on Goibibo?
A. The cheapest bus fare available between Nirmal to Hyderabad is ₹ 343. Book Now
Q. What are the popular bus operators currently serving buses for Nirmal to Hyderabad route?
A. Our top bus operators for Nirmal to Hyderabad bus route are: Ameena Travels, Anish Travels, B R Travels, Dada Brothers, Diamond Travels, Gajraj bus service, Harikrishna Travels, Kamakshi Tours And Travels, Kubera Travels, M R Travels Book Now
Boarding points in Nirmal
- Mancherial X road
- Nirmal Bypass
- Nirmal
- NIRMAL BY PASS WELCOM GATE POINT
- NIRMAL BS
- Nirmal ByPass
- Bypass Nirmal Highway
- Gudihatinur
- Nirmal (union bank of india)
- ICHODA
Dropping points in Hyderabad
- Medchal
- Kompally
- Suchitra
- Bowenpally
- Jubilee Bus Station JBS
- Damber Factory
- Tadban
- Paradise
- Rani Gunj
- Lakdikapul
Top routes from Nirmal
- Nirmal to Hyderabad Bus
- Nirmal to Bangalore Bus
- Nirmal to Hyderabad Airport Bus
- Nirmal to Kanigiri Bus
- Nirmal to Raipur Bus
- Nirmal to Nagpur Bus
- Nirmal to Darsi Bus
- Nirmal to Warangal Bus
- Nirmal to Khammam Bus
- Nirmal to Kurnool Bus
- Nirmal to Vinukonda Bus
- Nirmal to Nellore Bus
- Nirmal to Duttalur Bus
- Nirmal to Vijayawada Bus
- Nirmal to Armoor Bus
- Nirmal to Adilabad Bus
- Nirmal to Kamareddy Bus
- Nirmal to Varanasi Bus
- Nirmal to Podili Bus
- Nirmal to Nizamabad Bus
- Nirmal to Hinganghat Bus
- Nirmal to Pamuru Bus
- Nirmal to Anantapur Bus
- Nirmal to Kurichedu Bus
- Nirmal to Vinjamur Bus
- Nirmal to Macherla Bus
- Nirmal to Piduguralla Bus
- Nirmal to Betul Bus
- Nirmal to Varikuntapadu Bus
- Nirmal to Indore Bus
- Nirmal to Akola Bus
- Nirmal to Markapur Bus
- Nirmal to Gwalior Bus
- Nirmal to Tirupati Bus
- Nirmal to Srikalahasthi Bus
- Nirmal to Badnera Bus
- Nirmal to Kota Bus
- Nirmal to Rajkot Bus
- Nirmal to Ner Bus
- Nirmal to Bilaspur (Chhattisgarh) Bus
Top routes to Nirmal
- Hyderabad to Nirmal Bus
- Bangalore to Nirmal Bus
- Nagpur to Nirmal Bus
- Kanigiri to Nirmal Bus
- Vijayawada to Nirmal Bus
- Raipur to Nirmal Bus
- Podili to Nirmal Bus
- Ongole to Nirmal Bus
- Kodad to Nirmal Bus
- Markapur to Nirmal Bus
- Vinukonda to Nirmal Bus
- Addanki to Nirmal Bus
- Tirupati to Nirmal Bus
- Guntur to Nirmal Bus
- Markapuram to Nirmal Bus
- Kurnool to Nirmal Bus
- Adilabad to Nirmal Bus
- Nizamabad to Nirmal Bus
- Kamareddy to Nirmal Bus
- Hinganghat to Nirmal Bus
- Varanasi to Nirmal Bus
- Pamuru to Nirmal Bus
- Armoor to Nirmal Bus
- Anantapur to Nirmal Bus
- Duttalur to Nirmal Bus
- Darsi to Nirmal Bus
- Kurichedu to Nirmal Bus
- Vinjamur to Nirmal Bus
- Varikuntapadu to Nirmal Bus
- Hyderabad Airport to Nirmal Bus
- Ner to Nirmal Bus
- Srikalahasthi to Nirmal Bus
- Vadodara to Nirmal Bus
- Bhopal to Nirmal Bus
- Akola to Nirmal Bus
- Bilaspur (Chhattisgarh) to Nirmal Bus
- Singarayakonda to Nirmal Bus
- Jam(Maharashtra) to Nirmal Bus
- Nandgaon to Nirmal Bus
- Hoshangabad to Nirmal Bus
Top routes to Hyderabad
- Bangalore to Hyderabad Bus
- Visakhapatnam to Hyderabad Bus
- Vijayawada to Hyderabad Bus
- Chennai to Hyderabad Bus
- Pune to Hyderabad Bus
- Tirupati to Hyderabad Bus
- Mumbai to Hyderabad Bus
- Nellore to Hyderabad Bus
- Rajahmundry to Hyderabad Bus
- Nagpur to Hyderabad Bus
- Bhubaneswar to Hyderabad Bus
- Guntur to Hyderabad Bus
- Goa to Hyderabad Bus
- Kakinada to Hyderabad Bus
- Ongole to Hyderabad Bus
- Kadapa to Hyderabad Bus
- Eluru to Hyderabad Bus
- Anantapur to Hyderabad Bus
- Srikakulam to Hyderabad Bus
- Tiruvannamalai to Hyderabad Bus
- Shirdi to Hyderabad Bus
- Pondicherry to Hyderabad Bus
- Mysore to Hyderabad Bus
- Tanuku to Hyderabad Bus
- Amalapuram to Hyderabad Bus
- Raipur to Hyderabad Bus
- Kurnool to Hyderabad Bus
- Bhimavaram to Hyderabad Bus
- Kolhapur to Hyderabad Bus
- Ravulapalem to Hyderabad Bus
- Tuni to Hyderabad Bus
- Mydukur to Hyderabad Bus
- Tirupati (Ap) to Hyderabad Bus
- Karimnagar to Hyderabad Bus
- Allagadda to Hyderabad Bus
- Addanki to Hyderabad Bus
- Jaggampeta to Hyderabad Bus
- Nirmal to Hyderabad Bus
- Kanchikacherla to Hyderabad Bus
- Gooty to Hyderabad Bus
Top routes from Hyderabad
- Hyderabad to Bangalore Bus
- Hyderabad to Visakhapatnam Bus
- Hyderabad to Vijayawada Bus
- Hyderabad to Chennai Bus
- Hyderabad to Pune Bus
- Hyderabad to Tirupati Bus
- Hyderabad to Mumbai Bus
- Hyderabad to Nellore Bus
- Hyderabad to Rajahmundry Bus
- Hyderabad to Nagpur Bus
- Hyderabad to Goa Bus
- Hyderabad to Guntur Bus
- Hyderabad to Bhubaneswar Bus
- Hyderabad to Kakinada Bus
- Hyderabad to Ongole Bus
- Hyderabad to Kadapa Bus
- Hyderabad to Anantapur Bus
- Hyderabad to Tiruvannamalai Bus
- Hyderabad to Eluru Bus
- Hyderabad to Tanuku Bus
- Hyderabad to Mysore Bus
- Hyderabad to Srikakulam Bus
- Hyderabad to Shirdi Bus
- Hyderabad to Raipur Bus
- Hyderabad to Amalapuram Bus
- Hyderabad to Kolhapur Bus
- Hyderabad to Proddutur Bus
- Hyderabad to Kurnool Bus
- Hyderabad to Bhimavaram Bus
- Hyderabad to Pondicherry Bus
- Hyderabad to Mydukur Bus
- Hyderabad to Jaggampeta Bus
- Hyderabad to Nirmal Bus
- Hyderabad to Karimnagar Bus
- Hyderabad to Solapur Bus
- Hyderabad to Kanchikacherla Bus
- Hyderabad to Medarametla Bus
- Hyderabad to Singarayakonda Bus
- Hyderabad to Adilabad Bus
- Hyderabad to Tanguturu Bus
Popular cities near Nirmal
Popular cities near Hyderabad
- Kurnool Bus
- Vijayawada Bus
- Nandigama Bus
- Suryapet Bus
- Kodad Bus
- Khammam Bus
- Karimnagar Bus
- Nirmal Bus
- Nizamabad Bus
- Piduguralla Bus
- Jaggaiahpet Bus
- Ibrahimpatnam Bus
- Godavarikhani Bus
- Jadcherla Bus
- Wyra Bus
- Chityala Bus
- Armoor Bus
- Kamareddy Bus
- Kanchikacherla Bus
- Zaheerabad Bus
- Humnabad Bus
- Miryalaguda Bypass Bus
- Macherla Bus
- Warangal Bus
- Tallada Bus
- Kothagudem Bus
- Umergam Hospital Bus
- Nandyal Bus
- Sattenapalle Bus
- Dachepalle Bus
Top Bus Operators Between Nirmal and Hyderabad
- TSRTC Bus
- TSRTC Bus
- Harikrishna Travels Bus
- Anish Travels Bus
- Muskan Travels Bus
- SLVR Travels Bus
- MVN Tours and Travels Bus
- Orange Tours And Travels Bus
- Sahara Tours and Travels Bus
- Orange Tours and Travels Bus
- Ameena Travels Bus
- Sitara Travels Bus
- Mahi Trans Solutions Bus
- Shree Savariya Travels & Transport Bus
- Naveen Travels (Durg) Bus
- GDR Tours and Travels Bus
- Chaitra Sri Travels Bus
- Pawan Travels Balaghat Bus
- Travel Point World LLP Bus
- RYS Travels Bus
- VNR Tours And Travels Bus
- Savera Tours and Travels Bus
- Keshava Tours & Travels Bus
- CCC Bus
- Pawan Travels Bus
- Maruti Travels Balotra Bus
- K.L.A Travels Bus
- Sri Ganga Travels Bus
- Maa kali Travels Bus
- Pavani Travels Bus
- Sri Krishna Travels (VGN) Bus
- Sri Tulasi Tours and Travels Bus
- SHREE NEW SANTINATH TRAVELS Bus
- Lucky travels Bus
- Dada Brothers Bus
- SHARMA TRANSPORTS Bus
- Sai Sri Durga Travels Bus
- Kubera Travels Bus
- Rajlaxmi Travels And Cargo Bus
- Mahadevv travels Bus
- Ayyappa Travels Bus
- SRI KARTHIK TRAVELS Bus
- Mastan Tours And Travels Bus
- Gajraj bus service Bus
- M R Travels Bus
- New shantinath travels Bus
- SRAVAN TRAVELS Bus
- M R Travels Bus
- Chandani Travels Bus
- SREE VENKATESHWARA TRAVELS Bus
- Sravan Travels Bus
- Verma Travels. Bus
- Shri Mahadev (f.d.m) Bus
- Mahadev Bus Service Bus
- B R Travels Bus
- MDK TOURS AND TRAVELS Bus
- JOSH BUS
- Srivastav Travels Bus
- T S Royal Tours And Travels Bus
- GOWTHAMI TOURS AND TRAVELS Bus
- Tiger TakTravels Bus
- KKaveri Travels Bus
- Hriday Tours & Travels Bus
- MESRAM TRAVELS Bus
- Northern Travels Bus
Top Bus Operators from Nirmal
- Nirmal to Hyderabad TGSRTC Bus
- Nirmal to Hyderabad Airport TGSRTC Bus
- Nirmal to Bangalore Orange Tours and Travels Grand Bus
- Nirmal to Nagpur New Royal Travels (Raipur) Bus
- Nirmal to Raipur Orange Tours and Travels Grand Bus
- Nirmal to Khammam TGSRTC Bus
- Nirmal to Kurnool B R Travels Bus
- Nirmal to Darsi Anish Travels Bus
- Nirmal to Vinukonda TSRTC Bus
- Nirmal to Kanigiri Anish Travels Bus
- Nirmal to Warangal TGSRTC Bus
Top Bus Operators to Hyderabad
- Bangalore to Hyderabad FLIXBUS Bus
- Chennai to Hyderabad FLIXBUS Bus
- Visakhapatnam to Hyderabad FLIXBUS Bus
- Vijayawada to Hyderabad FLIXBUS Bus
- Bhubaneswar to Hyderabad Shyamoli Paribahan Pvt Ltd Bus
- Mumbai to Hyderabad Dolphin travel house Bus
- Tirupati to Hyderabad FLIXBUS Bus
- Pune to Hyderabad FLIXBUS Bus
- Goa to Hyderabad FLIXBUS Bus
Airport Routes from Nirmal
Airport Routes to Nirmal
Airport Routes from Hyderabad
Airport Routes to Hyderabad
Hotels in Nirmal
Hotels in Hyderabad
Semi Sleeper Bus from Nirmal
- Nirmal to Bangalore Semi Sleeper Bus
- Nirmal to Hyderabad Airport Semi Sleeper Bus
- Nirmal to Kanigiri Semi Sleeper Bus
- Nirmal to Raipur Semi Sleeper Bus
- Nirmal to Nagpur Semi Sleeper Bus
- Nirmal to Darsi Semi Sleeper Bus
- Nirmal to Warangal Semi Sleeper Bus
- Nirmal to Khammam Semi Sleeper Bus
- Nirmal to Kurnool Semi Sleeper Bus
- Nirmal to Vinukonda Semi Sleeper Bus
- Nirmal to Nellore Semi Sleeper Bus
- Nirmal to Duttalur Semi Sleeper Bus
- Nirmal to Vijayawada Semi Sleeper Bus
- Nirmal to Armoor Semi Sleeper Bus
- Nirmal to Adilabad Semi Sleeper Bus
- Nirmal to Kamareddy Semi Sleeper Bus
- Nirmal to Varanasi Semi Sleeper Bus
- Nirmal to Podili Semi Sleeper Bus
- Nirmal to Nizamabad Semi Sleeper Bus
- Nirmal to Hinganghat Semi Sleeper Bus
- Nirmal to Pamuru Semi Sleeper Bus
- Nirmal to Anantapur Semi Sleeper Bus
- Nirmal to Kurichedu Semi Sleeper Bus
- Nirmal to Vinjamur Semi Sleeper Bus
- Nirmal to Macherla Semi Sleeper Bus
- Nirmal to Piduguralla Semi Sleeper Bus
- Nirmal to Betul Semi Sleeper Bus
- Nirmal to Varikuntapadu Semi Sleeper Bus
- Nirmal to Indore Semi Sleeper Bus
- Nirmal to Akola Semi Sleeper Bus
- Nirmal to Markapur Semi Sleeper Bus
- Nirmal to Gwalior Semi Sleeper Bus
- Nirmal to Tirupati Semi Sleeper Bus
- Nirmal to Srikalahasthi Semi Sleeper Bus
- Nirmal to Badnera Semi Sleeper Bus
- Nirmal to Kota Semi Sleeper Bus
- Nirmal to Rajkot Semi Sleeper Bus
- Nirmal to Ner Semi Sleeper Bus
- Nirmal to Bilaspur (Chhattisgarh) Semi Sleeper Bus
Semi Sleeper Bus to Hyderabad
- Bangalore to Hyderabad Semi Sleeper Bus
- Visakhapatnam to Hyderabad Semi Sleeper Bus
- Vijayawada to Hyderabad Semi Sleeper Bus
- Chennai to Hyderabad Semi Sleeper Bus
- Pune to Hyderabad Semi Sleeper Bus
- Tirupati to Hyderabad Semi Sleeper Bus
- Mumbai to Hyderabad Semi Sleeper Bus
- Nellore to Hyderabad Semi Sleeper Bus
- Rajahmundry to Hyderabad Semi Sleeper Bus
- Nagpur to Hyderabad Semi Sleeper Bus
- Bhubaneswar to Hyderabad Semi Sleeper Bus
- Guntur to Hyderabad Semi Sleeper Bus
- Goa to Hyderabad Semi Sleeper Bus
- Kakinada to Hyderabad Semi Sleeper Bus
- Ongole to Hyderabad Semi Sleeper Bus
- Kadapa to Hyderabad Semi Sleeper Bus
- Eluru to Hyderabad Semi Sleeper Bus
- Anantapur to Hyderabad Semi Sleeper Bus
- Srikakulam to Hyderabad Semi Sleeper Bus
- Tiruvannamalai to Hyderabad Semi Sleeper Bus
- Shirdi to Hyderabad Semi Sleeper Bus
- Pondicherry to Hyderabad Semi Sleeper Bus
- Mysore to Hyderabad Semi Sleeper Bus
- Tanuku to Hyderabad Semi Sleeper Bus
- Amalapuram to Hyderabad Semi Sleeper Bus
- Raipur to Hyderabad Semi Sleeper Bus
- Kurnool to Hyderabad Semi Sleeper Bus
- Bhimavaram to Hyderabad Semi Sleeper Bus
- Kolhapur to Hyderabad Semi Sleeper Bus
- Ravulapalem to Hyderabad Semi Sleeper Bus
- Tuni to Hyderabad Semi Sleeper Bus
- Mydukur to Hyderabad Semi Sleeper Bus
- Tirupati (Ap) to Hyderabad Semi Sleeper Bus
- Karimnagar to Hyderabad Semi Sleeper Bus
- Allagadda to Hyderabad Semi Sleeper Bus
- Addanki to Hyderabad Semi Sleeper Bus
- Jaggampeta to Hyderabad Semi Sleeper Bus
- Kanchikacherla to Hyderabad Semi Sleeper Bus
- Gooty to Hyderabad Semi Sleeper Bus
Popular Volvo City Buses
- Pondicherry Volvo Bus
- Solapur Volvo Bus
- Nellore Volvo Bus
- Ner Volvo Bus
- Ongole Volvo Bus
- Indore Volvo Bus
- Amalapuram Volvo Bus
- Varikuntapadu Volvo Bus
- Khammam Volvo Bus
- Varanasi Volvo Bus
- Nagpur Volvo Bus
- Eluru Volvo Bus
- Gooty Volvo Bus
- Visakhapatnam Volvo Bus
- Mysore Volvo Bus
- Chennai Volvo Bus
- Srikakulam Volvo Bus
- Armoor Volvo Bus
- Kurichedu Volvo Bus
- Bhubaneswar Volvo Bus
- Shirdi Volvo Bus
- Ravulapalem Volvo Bus
- Gwalior Volvo Bus
- Kanchikacherla Volvo Bus
- Podili Volvo Bus
- Markapur Volvo Bus
- Piduguralla Volvo Bus
- Pamuru Volvo Bus
- Kanigiri Volvo Bus
- Jaggampeta Volvo Bus
- Karimnagar Volvo Bus
- Duttalur Volvo Bus
- Bhimavaram Volvo Bus
- Rajahmundry Volvo Bus
- Tuni Volvo Bus
- Medarametla Volvo Bus
- Rajkot Volvo Bus
- Kakinada Volvo Bus
- Akola Volvo Bus
- Raipur Volvo Bus
- Bangalore Volvo Bus
- Vadodara Volvo Bus
- Tanguturu Volvo Bus
- Vinukonda Volvo Bus
- Kota Volvo Bus
- Vinjamur Volvo Bus
- Allagadda Volvo Bus
- Kolhapur Volvo Bus
- Tirupati (Ap) Volvo Bus
- Badnera Volvo Bus
- Bhopal Volvo Bus
- Guntur Volvo Bus
- Macherla Volvo Bus
- Mydukur Volvo Bus
- Kamareddy Volvo Bus
- Anantapur Volvo Bus
- Jam(Maharashtra) Volvo Bus
- Warangal Volvo Bus
- Hinganghat Volvo Bus
- Betul Volvo Bus
- Singarayakonda Volvo Bus
- Hoshangabad Volvo Bus
- Hyderabad Volvo Bus
- Kurnool Volvo Bus
- Srikalahasthi Volvo Bus
- Bilaspur (Chhattisgarh) Volvo Bus
- Hyderabad Airport Volvo Bus
- Tanuku Volvo Bus
- Nirmal Volvo Bus
- Kodad Volvo Bus
- Goa Volvo Bus
- Kadapa Volvo Bus
- Tirupati Volvo Bus
- Mumbai Volvo Bus
- Nandgaon Volvo Bus
- Tiruvannamalai Volvo Bus
- Proddutur Volvo Bus
- Markapuram Volvo Bus
- Pune Volvo Bus
- Darsi Volvo Bus
- Addanki Volvo Bus
- Nizamabad Volvo Bus
- Adilabad Volvo Bus
- Vijayawada Volvo Bus