1973 - The S40 becomes the first Contracted route when Suffolk County (N.Y) contracts with MSBA (Metropolitan Suburban Bus Authority), who had just taken over all the private bus routes in Nassau County, to run the route.
1975 - MSBA leaves as operator of the S40 after Suffolk County was unwilling to reimburse Nassau County, Suffolk County then Contracts with Alert Coach Lines to operate the service.
1977 - After two years of complaints about bad service provided on the S40 by Alert Coach Lines, Suffolk County again contracts out the route to MSBA, who will run the route until 1981 when Suffolk Transit is formed.
12/17/1978 - The Suffolk County Legislature refuses to fund a County-wide bus system, they also stop funding to a Brentwood-Central Islip bus program known as Dial-A-Ride.
1980-1981 - Suffolk Transit was formed by the Suffolk County (N.Y) Legislature to create a system that had one uniformed fare, and an easy way to transfer between routes, before the creation of Suffolk Transit all the routes that were run in Suffolk County were owned and run by many different bus companies which charged different fares and did not except transfers. The Fare for the new service is $0.50, the Handicapped and Elderly fare is $0.10, Suffolk also buys second hand buses to help start service.
8/1981 - Suffolk Transit receives their first bus order of New Flyer D901A 35102C.
1983 - Suffolk Transit fare is $0.75, Suffolk Transit is also audited by then Suffolk County Comptroller Joseph Caputo, A route from Smith Haven Mall to Brentwood Railroad Station is created and called 3D
1986 - Three operators do not return as operators of Suffolk Transit
1/16/1986 - A fire at the operator of one of Suffolk Transit's operators depots destroys 1981 New Flyer's #800-802, 1982 Gillig Phantom 35TB102 #818, 1969 GMC T6H4521 #528, and 1975 Flxible 45096-6-1 #828.
1987 - Suffolk Transit's third order for buses which went to Gillig for more 35TB102 Phantom's.
8/17/1989 - Suffolk Transit proposes to eliminate 11 (S57,S66,1C,2A,6A,7D,7E,8A,9A,10D,10E) routes for the next year, only two routes of the 11 are still eliminated. Suffolk Transit also propose a $0.10 fare increase, because the County had a budget deficit.
5/31/1990 - A Suffolk Transit Bus was involved in a deadly accident in Medford
12/1990 - Suffolk Transit raises fares from $1.15 to $1.25, rejects the idea of raising fares any higher, again because he County had a budget deficit
12/9 - 12/10/1990 - Someone breaks into the yard of a Suffolk Transit operator and slashes the tires on five buses
1/1/1991 - Suffolk Transit ordered Seven Gillig Phantom 40TB102, and sixteen Gillig Phantom 35TB102's.
4/1991 - Suffolk Transit approves a $0.25 fare increase
7/14/1993 - It was proposed that there be two bus routes that run in the HOV lane of the LIE.
8/1993 - Twenty-seven Flexible Metro D 30096's are delivered to Suffolk Transit, 17 1982 Chance RT50's, 1 1982 Gillig Phantom, 5 1981 New Fyler's, and some second hand brought buses are retired.
9/1993 - An Article appears in the New York Times about Suffolk County's lack of service for the disabled
1994 - Suffolk Transit starts SCAT with five retrofitted buses from the 27 buses retired in 1993, Suffolk Transit gives a bus to Suffolk County Police Department.
1995 - A 1987 Gillig Phantom 35102TB burns, 9 1982 Chance RT-50's, 11 1981 New Fylers, and some second hand brought buses are retired.
1996 - Suffolk Transit orders forty-four Gillig Phantom 35TB102's
1/1996 - Suffolk Starts Express service using the LIE HOV lane called 110 Clipper, which runs 12 times a day.
1997 - Suffolk Transit orders sixteen Gillig Phantom 30TB96's
7/1/1997 - Suffolk Transit announces the possible elimination of two bus routes
1998 - The Third and last time eliminating a route, Suffolk Transit moves the bus stop at the Port Jefferson Shopping Center on Cherub Lane, a few feet, from across the street of the Bowling alley to the the Cherub Lane exit of the Shopping Center, Suffolk Transit also ban buses from cutting behind the Shopping center to serve the bus stop
4/4/1998 - A driver for a operator for Suffolk Transit was stabbed while arguing with a drunken passenger at Smith Haven Mall, the driver is the only to date to have been stabbed while on duty in the history of Suffolk Transit
4/28/1998- Suffolk County sues all six operators of Suffolk Transit
5/26/1998 - All Six Operators join forces to get the County's Lawsuit thrown out of court.
6/7/1998 - Suffolk Transit considers cutting the S110 because of low ridership, the route has ten runs which is down from 12 runs when the route debuted.
1999 - Suffolk Transit third Non Gillig Phantom order when they order forty-two Orion 05.504's, they also retire most of their 1987 Gillig Phantoms
2000 - Suffolk Transit orders Six Gillig Phantom 35TB102's with Suburban configuration for their S110 route, however due to a Gillig phantom burning down before it could be transferred to from one operator to another one bus was sent to that operator and didn't serve on the S110 until 2011, also Suffolk Transit's last bus order with Detroit Diesel Engines. Suffolk Transit expands the 3D from Smith Haven Mall to SUNY Stony Brook
6/8/2000 - A Suffolk Transit bus was involved in a deadly accident in Brentwood.
2001- Suffolk Transit celebrates its Twenty year anniversary.
5/20/2001 - Suffolk Transit creates a new route called the S71, which would travel between SUNY Stony Brook and Shirley, they also expand the service hours on the S1, S40, S45, S54, 3A and 3B
11/23/2001 - A Suffolk Transit bus was involved in a deadly accident in Mastic Beach
2/2002 - Suffolk Transit raises their fare, for the first time in about ten years, from $1.50 to $1.75 because of Suffolk County budget problems
7/2002 - Suffolk Transit resins the fare increase and the fare is brought back down to $1.50
10/1/2002 - Suffolk Transit starts a new fare for High School and College Students, the fare for them is $1.00. The full fare is still $1.50, Senior & Handicap Fare is still $0.50, and Transfers are still $0.25
4/14/2003 - Suffolk Transit stops accepting New York City Tokens
6/3/2003 - Suffolk changes their transfer system from using paper transfers to Farebox Generated Transfers
7/14/2003 - Suffolk Transit extends the 5A to Port Jefferson Station, while eliminating some areas that lack ridership. Due to the extension of the 5A, Suffolk Transit had to eliminate the S62's 3 eastbound and 4 westbound trips on North Country Road because the 5A would be traveling the same way.
5/1/2004 - Suffolk Transit sets up a Reservation Telephone Number for SCAT
10/4/2004 - Suffolk Transit extends the S71 so it can serve the recently relocated Brookhaven Town Hall in Farmingville
11/22/2004 - Suffolk Transit changes the time for the first trip of the day for the 10C leaving East Hampton
2005 - Suffolk Transit orders fifty-nine Gillig Phantom 35TB102's to replace the rest of their 1987 Gillig Phantoms, all of their 1991 Gillig Phantoms, and all their 1993 Flexible Metro D 30096's, First Bus order with Cummins Engines
5/31/2005- Suffolk Transit extends the S71 so it can service the Long Island State Veterans Home in Stony Brook on certain trips
6/27/2005 - Suffolk Transit extends the 7B so it can service the Conifer Village Senior Apartments and the Brookhaven Professional Medical Park in East Patchouge on certain trips
10/17/2005 - Suffolk Transit creates a new route called the S76, which travels between Port Jefferson Station and Stony Brook Village
10/24/2005 - Suffolk Transit extends the 8A so it can service John Wesley Village III in Riverhead
11/7/2005 - Suffolk Transit changes part of the 7E route in Mastic
7/19/2006 - A Suffolk Transit bus was involved in a accident in East Islip