Greater Toronto Airports Authority

The Greater Toronto Airports Authority LINK is a service provided by the authority to shuttle patrons around Toronto Pearson International Airport. The service was initially run by buses until the LINK train went into operation.

All-time bus fleet operated by Pacific Western

Pacific Western Transportation won the contract to operate the inter-terminal shuttle in approximately 2002. This is also when the LINK branding appeared. The contract continued until the late 2000s.

Fleet number	Thumbnail	Year	Manufacturer	Model	Engine	Transmission	Destination sign	Seating	Notes
1538			Thomas	TL960	Cummins ISB	Allison B400R	Luminator Horizon	TSI 1111
1541			Thomas	TL960	Cummins ISB	Allison B400R	Luminator Horizon	TSI 1111
1545			Thomas	TL960	Cummins ISB	Allison B400R	Luminator Horizon	TSI 1111
1546			Thomas	TL960	Cummins ISB	Allison B400R	Luminator Horizon	TSI 1111
1550			Thomas	TL960	Cummins ISB	Allison B400R	Luminator Horizon	TSI 1111
1572			Thomas Dennis	SLF 230	Cummins ISB	Allison	Luminator Horizon	22 Freedman Citiseat
1590			Thomas Dennis	SLF 230	Cummins ISB	Allison	Luminator Horizon	22 Freedman Citiseat
81604		2006	Blue Bird	Ultra LF	Cummins ISB	Allison LCT 2000 Series	Luminator Horizon	Freedman CitiSeat
85-0201			Thomas Dennis	SLF 230	Cummins ISB	Allison	Luminator Horizon	Freedman Citiseat
85-0202			Thomas Dennis	SLF 230	Cummins ISB	Allison	Luminator Horizon	Freedman Citiseat
85-0203			Thomas Dennis	SLF 230	Cummins ISB	Allison	Luminator Horizon	Freedman Citiseat
85-0206			Thomas Dennis	SLF 230	Cummins ISB	Allison	Luminator Horizon	Freedman Citiseat
85-0208			Thomas Dennis	SLF 230	Cummins ISB	Allison	Luminator Horizon	Freedman Citiseat
85-0214			Thomas Dennis	SLF 230	Cummins ISB	Allison	Luminator Horizon	Freedman Citiseat

All-time bus fleet operated by PMCL

The inter-terminal shuttle was operated by Penetang-Midland Coach Lines (PMCL) until approximately some time in 2002.

Fleet number	Thumbnail	Year	Manufacturer	Model	Engine	Transmission	Destination sign	Seating	Notes
90		1980	Orion	01.501	Detroit Diesel 6V53N	Allison MT-644	Rollsign		Ex-St. Catharines Transit 8029
91		1981	Orion	01.504	Detroit Diesel 6V53N	Allison MT-644	Rollsign		Ex-St. Catharines Transit 8132
92			Orion	01.50X			Rollsign		Ex-?
93			Orion	01.50X			Rollsign		Ex-?
635-638			Eldorado National	Escort RE					Ex-California
782-784		1999	Blue Bird	CSRE	Cummins ISC	Allison	Rollsign
821			Orion	01.501			Rollsign		Ex-Pickering Transit
824			Orion	01.501			Rollsign		Ex-Pickering Transit
825			Orion	01.501			Rollsign		Ex-Pickering Transit
826		1981	Orion	01.501			Rollsign		Ex-Pickering Transit 910
827			Orion	01.501			Rollsign		Ex-?
828			Orion	01.501			Rollsign		Ex-Pickering Transit