According to the US Department of Housing and Urban Development, housing in which the
occupants pay no more than 30 percent of their income for gross housing costs, including
utilities. In Suffolk County, affordable housing generally refers to housing that is
affordable for those with incomes of less than 80% of Area Median Income (AMI).
A service in which bicycles are made available for shared use to individuals on a very
basis, usually for a fee. This service or system allows people to make use of a bike from
"dock" and return it at another dock in the city/locale. For many systems, smartphone
apps show nearby stations with available bikes and open docks.
Bus Rapid Transit
A bus-based public transportation system designed to improve capacity, speed and
to a conventional bus system with a similar cost. Typically, a BRT system includes roadways
dedicated bus lanes and traffic-light priority that lets buses bypass traffic, and other
features such as advance purchase and ticketless boarding to reduce delays, and real-time
location information for enhanced convenience.
A measure of how many people or jobs are within a certain distance (often measured as ¼ or ½ mile) of transit service, and are therefore covered by transit service.
Fixed-route transit services
Buses, trains, or other vehicles (the mode), run between a defined set of places (the route), operated on published days and times (the schedule), and picking up and dropping off passengers at designated places (the stops). In general, these services have higher capacity to move many people, but are less responsive to when and where a rider wishes to go and they tend to have lower costs per rider.
Usually commercial space for lease found in buildings zoned for light industrial use.
flex space as it can be used for multiple purposes. Inventory, office space, and light
can all share flex space in a commercial building. Other uses of flex space include
laboratories, retail space, or even an area for assembly and shipping.
Flexible or on-demand transit/mobility services
A range of different services that use buses, vans, or other smaller vehicles (the mode), run to different locations and destinations based on passenger requests (on-demand routing), operate when requested but often have set operating hours (the schedule), and pick up and drop off passengers at various locations potentially including door-to-door service (the stops). There is a spectrum of flexible services ranging from deviated fixed routes (where buses run a schedule and route, but will deviate to places within 1-mile of their route) to entirely on-demand services that must be requested by smartphone app or calling a reservation center. In general, these services have lower capacity to move many people, but are more responsive to when and where a rider wishes to go and they tend to have higher costs per rider.
Although definitions vary, the U.S. Census Bureau identifies Millennials as anyone born
to 2000. This generation generally prefers walking over driving, and shows preferences to
public transportation. Millennials indicate they are partial to living in mixed-use
A type of pedestrian-friendly, urban development that blends residential, commercial,
institutional, cultural, and/or entertainment uses that are physically and functionally
Mobility / Mobility Services
Integration of various forms of transport services into a single mobility service accessible on demand.
Choosing the best transportation modes – driving, bus, train, bike, walk, etc. – based on
the planned trip and motivated by such factors as money savings, convenience, exercise,
productivity, and practicality. Multimodal transportation promotes reduced road congestion
by attracting trips from personal vehicle usage.
A system of transportation services for the general public to ride between various destinations on a vehicle operated by others (such as a bus, train, or even small vans) for a relatively low price (the fare).
A transportation industry metric that shows the number of miles traveled by paying passengers.. Revenue passenger miles are calculated by multiplying the number of paying passengers by the distance traveled.
Measure of building space or development areas in Square Feet.
Transit Performance Measures
Measures or standards that a transit agency uses to assess the performance of its services, at the system or individual route levels. Common measures include on-time performance which tells us how reliable service is compared to the schedule, productivity which tells us how many people are riding relative to the cost of service, and coverage which tells us how many people or jobs are near any transit service.
A place where passengers are exchanged between vehicles or between transport modes such as
cars and trains, cars and busses, trains and planes, busses and ferries, etc.
Transit Oriented Development (TOD)
A type of community development that includes a mixture of housing, office, retail and/or
other amenities integrated into a walkable neighborhood and located in close proximity to
quality public transportation.
TODs provide an affordable work, live and play ecosystem for people from all walks of life
minimizing the need for a personal vehicle.
Walkable communities have a person, not their automobile, at the center of the design and
places that are socially, environmentally and economically vibrant. In addition to
physical and mental health, walkability supports independence for people of all ages,
and abilities and contributes to a greater quality of life.
Housing for workers with incomes ranging from 60% to 120% of Area Median Income (AMI).