# Mountain Line (Arizona)

The Mountain Line provides public transportation bus service in the Flagstaff area of Coconino County, Arizona. It started in 2001, replacing the county-run Pine Country Transit.

## Routes

There are nine routes currently in service (2, 3, 4, 5, 7, 8, 10, 14 and 66). Every route currently in service interchanges at the downtown connection center, located on W. Phoenix Ave at S. Mikes Pike and at the Flagstaff Mall connection center located on E. Mall Way and N. Marketplace Dr. at which 3 routes (2, 3, 66) transfer. Paratransit service in Flagstaff is supplied by Mountain Lift, another operation of NAIPTA.
Routes currently in service:
* Route 2 (Blue Line) – Downtown to Flagstaff Mall via Cedar/Lockett
* Route 3 (Green Line) – Downtown to Flagstaff Mall via Butler/Soliere
* Route 4 (Gold Line) – Downtown to Coconino Community College
* Route 5 (Orange Line) – Downtown to Cheshire
* Route 7 (Purple Line) – Downtown to Sunnyside
* Route 8 (Teal Line) – Downtown to Woodlands Village
* Route 10 (Maroon Line) – Downtown Connection Center to Woodlands Village via Northern Arizona University
* Route 14 (Brown Line) – Runs the same route but opposite direction as Route 4.
* Route 66 (Red Line) – Downtown to Christmas Tree Estates. (Was originally Route 1)

## Bus Fleet
### Current roster

| Fleet number(s) | Year | Manufacturer | Model | Engine | Transmission | Notes |
| 600-624 | 2010 | Gillig | Low Floor 40' (G30B102N4) | Cummins ISL9 | Allison B500R | |
| 625-649 | 2011 | Gillig | Low Floor 35' (G30B102N4) | Cummins ISL9 | Allison B400R | |
| 650-699 | 2011 | Gillig | Low Floor HEV 35' (G30B102N4) | Cummins ISB6.7 | BAE Systems HybriDrive hybrid system | |
| 700-724 | 2011 | Gillig | Low Floor 40' (G30B102N4) | Cummins ISL9 | Allison B500R | |
| 725-736 | 2012 | Gillig | Low Floor HEV 40' (G30B102N4) | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 737-743 | 2015 | ElDorado National | E-Z Rider II BRT 32' | Cummins ISB6.7 | Voith D854.5 | |
| 744-750 | 2019 | ElDorado National | E-Z Rider II BRT 32' | Cummins B6.7 | Voith D854.6 | |
| 751-757 | 2023 | ElDorado National | E-Z Rider II BRT HEV 32' | Cummins L9 | Allison eGen Flex H 40 hybrid system | |
| 758-764 | 2024 | Freightliner Trucks | Freightliner M2 32' | Cummins B6.7 eGen Flex | Allison 2200 PTS | |
| 765-799 | 2025 | Freightliner Trucks | Freightliner M2 HEV 35' | Cummins L9 | Allison eGen Flex H 40 hybrid system | |
| 800-832 | 2008 | NFI | D40LF | Cummins ISM | Allison B400R | |
| 833-837 | 2008 | NFI | DE40LF | Cummins ISL | Allison EP40 hybrid system | |
| 838-867 | 2009 | NFI | D40LF | Cummins ISM | Allison B400R | |
| 868-870 | 2009 | NFI | DE40LF | Cummins ISL | Allison EP40 hybrid system | |
| 900-919 | 2009 | NFI | D60LF | Cummins ISM | Allison B500R | |
| 920-949 | 2010 | NFI | DE40LF | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 1000-1019 | 2011 | NFI | DE35LF | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 1020-1039 | 2011 | NFI | DE30LF | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 1100-1124 | 2011 | NFI | D30LFK | Cummins ISB6.7 | Allison B300R | |
| 1125-1129 | 2011 | Gillig | Low Floor HEV 40' (G30B102N4) | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 1130-1161 | 2011 | NFI | XDE40 | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 1162-1197 | 2011 | NFI | DE40LFR | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 1198-1232 | 2012 | NFI | D30LF | Cummins ISL9 | Allison B400R | |
| 1233-1237 | 2012 | NFI | DE30LF | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 1300-1355 | 2012-2013 | NFI | XDE40 | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 1400-1429 | 2013 | NFI | DE30LFK | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 1430-1458 | 2014 | Gillig | BRT HEV 29' (G30B102N4) | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 1459-1473 | 2014 | NFI | DE30LF | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 1474-1499 | 2014 | Freightliner Trucks | Freightliner M2 HEV 32' | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 1500-1509 | 2006 | NABI | 40 LFW CNG | Cummins Westport C Gas Plus | Allison B400R | |
| 1510-1529 | 2015 | Gillig | BRT HEV 29' (G30B102N4) | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 1530-1559 | 2016 | Gillig | BRT HEV 29' (G30B102N4) | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 1600-1629 | 2017 | Gillig | BRT HEV 29' (G30B102N4) | Cummins L9 | Allison H 40 EP hybrid system | |
| 1700-1724 | 2017 | Gillig | BRT HEV 40' (G30B102N4) | Cummins L9 | Allison H 40 EP hybrid system | |
| 1725-1749 | 2017 | Gillig | BRT HEV 60' (G30B102N4) | Cummins L9 | BAE Systems HDS 300 hybrid system | |
| 2700-2724 | 2017 | Gillig | Low Floor Plus HEV 40' (G30B102N4) | Cummins L9 | Allison H 40 EP hybrid system | |
| 2725-2736 | 2017 | Gillig | Low Floor HEV 40' (G30B102N4) | Cummins L9 | Allison H 40 EP hybrid system | |
| 3700-3724 | 2017 | Gillig | Low Floor HEV 45' (G30B102N4) | Cummins L9 | BAE Systems HDS 200 hybrid system | |
| 4700-4724 | 2017 | Gillig | Low Floor HEV 60' (G30B102N4) | Cummins L9 | BAE Systems HDS 300 hybrid system | |
| 4800-4824 | 2017 | Freightliner Trucks | Freightliner M2 32' | Cummins ISB6.7 | Allison 2200 PTS | |
| 4900-4924 | 2018 | Freightliner Trucks | Freightliner M2 32' | Cummins B6.7 | Allison 2200 PTS | |
| 5013-5049 | 2023 | NFI | XDE35 | Cummins B6.7 | BAE Systems HDS 200 hybrid system | |
| 5050-5099 | 2023 | NFI | XDE40 | Cummins L9 | BAE Systems HDS 200 hybrid system | |
| 5100-5149 | 2010 | Gillig | Low Floor HEV 35' (G30B102N4) | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 5150-5199 | 2011 | Gillig | Low Floor HEV 35' (G30B102N4) | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 5200-5275 | 2012 | Gillig | Low Floor HEV 35' (G30B102N4) | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 5276-5349 | 2012-2013 | NFI | XDE40 | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 5350-5352 | 2023 | NFI | XE35 | Siemens electric drive system | | |
| 5353-5355 | 2022 | Gillig | Low Floor Plus EV 35' (G28B102N4) | Cummins Battery Electric System | | |
| 5356-5360 | 2017 | NFI | XDE60 | Cummins L9 | BAE Systems HDS 300 hybrid system | Only used on the 10 Mountain Link route. |
| 5361-5362 | 2017 | Gillig | BRT HEV 35' (G30B102N4) | Cummins L9 | Allison H 40 EP hybrid system | |
| 5363-5364 | 2016 | Gillig | BRT HEV 35' (G30B102N4) | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 5365 | 2014 | NFI | XDE60 | Cummins ISL9 | Allison H 50 EP hybrid system | Only used on the 10 Mountain Link route. |
| 5366-5367 | 2015 | Gillig | BRT HEV 35' (G30B102N4) | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 5368-5373 | 2014 | Gillig | BRT HEV 35' (G30B102N4) | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 5376 | 2013 | Gillig | BRT HEV 35' (G30B102N4) | Cummins ISL9 | Allison H 40 EP hybrid system | |
| 5377-5383 | 2011 | Gillig | BRT HEV 35' (G30B102N4) | Cummins ISL9 | Allison H 40 EP hybrid system | 5377-5382 carries Mountain Link branding. |
| 5384 | 2009 | Gillig | BRT HEV 35' (G30B102N4) | Cummins ISL | Allison EP40 hybrid system | |
| 5400-5405 | 2019 | Gillig | BRT HEV 35' (G30B102N4) | Cummins L9 | Allison H 40 EP hybrid system | |
| 5406-5415 | 2021 | Gillig | BRT HEV 35' (G30B102N4) | Cummins L9 | Allison H 40 EPTM hybrid system | |
| 5500-5505 | 2022 | Gillig | BRT 29' (G30B102N4) | Cummins L9 | Voith D864.6 | |
| 5506-5515 | 2023 | Gillig | BRT 29' (G30B102N4) | Cummins L9 | Voith D867.8 NXT | |
| 5515-5599 | 2024 | Gillig | BRT HEV 35' (G30B102N4) | Cummins L9 | Allison eGen Flex H 40 hybrid system | |
| 5600-5699 | 2017 | Gillig | Low Floor HEV 35' (G30B102N4) | Cummins L9 | Allison H 40 EP hybrid system | |
| 5700-5799 | 2018 | Gillig | Low Floor HEV 35' (G30B102N4) | Cummins L9 | Allison H 40 EP hybrid system | |
| 5800-5899 | 2019 | Gillig | Low Floor HEV 35' (G30B102N4) | Cummins L9 | Allison H 40 EP hybrid system | |
| 5900-5999 | 2020 | Gillig | Low Floor HEV 35' (G30B102N4) | Cummins L9 | Allison H 40 EP hybrid system | |
| 6000-6099 | 2021 | Gillig | Low Floor HEV 35' (G30B102N4) | Cummins L9 | Allison H 40 EPTM hybrid system | |
| 6100-6149 | 2022 | Gillig | Low Floor 29' (G30B102N4) | Cummins L9 | Voith D864.6 | |
| 6150-6199 | 2023 | Gillig | Low Floor 29' (G30B102N4) | Cummins L9 | Voith D867.8 NXT | |
| 6200-6215 | 2024 | Gillig | Low Floor HEV 35' (G30B102N4) | Cummins L9 | Allison eGen Flex H 40 hybrid system | |
| 6216-6349 | 2023 | Freightliner Trucks | Freightliner M2 32' | Cummins B6.7 eGen Flex | Allison 2200 PTS | |
| 6350-6449 | 2022 | Nova | Nova LFS' (G30B102N4) | Cummins L9 | ZF Ecolife-2 6AP1420B | |
| 6450-6649 | 2023 | Nova | Nova LFS' (G30B102N4) | Cummins L9 | ZF Ecolife-2 6AP1420B | |
| 6650-6949 | 2024-2025 | Nova | Nova LFS' (G30B102N4) | Cummins L9 | ZF Ecolife-2 6AP1420B | |

### Retired Roster

| Fleet number(s) | Year | Manufacturer | Model | Engine | Transmission | Notes |
| 5374-5375 | 2012 | Gillig | BRT 35' (G27B102N4) | Cummins ISL9 | | Sold to Metropolitan Evansville Transit System in 11/2017. |
| 5385-5386 | 2007 | Gillig | BRT HEV 35' (G30B102N4) | Cummins ISL | | |
| 5387 | 2003 | ElDorado National | E-Z Rider II 35' | Cummins ISC | Allison B400R | 2002 model. |
| 5388-5389 | 2004 | ElDorado National | E-Z Rider II 30' | Cummins ISB | Allison B300R | |
| 5390-5391 | 2003 | ElDorado National | E-Z Rider II 30' | Cummins ISB | Allison B300R | |
| 5392-5393 | 2002 | ElDorado National | E-Z Rider 30' | Cummins ISB | Allison | One unit with Lic. Plate G-960ES has VIN - 1N9LLAC602C084218 |
| 5394-5399 | 2001 | ElDorado National | E-Z Rider 30' | Cummins ISB | Allison | Unit with Lic. Plate G-966ES has VIN - 1N9LLAC641C084317 Unit with Lic. Plate G-971ES has VIN - 1N9LLAC661C084318 |