Title I employers to provide reasonable accommodations for applicants and employees with disabilities to provide reasonable accommodations for applicants and employees with disabilities and prohibits discrimination on the basis of disability in all aspects of employment.

• Helps people with disabilities access the same employment opportunities and benefits available to people without disabilities.
• Applies to employers with 15 or more employees.
• Requires employers to provide reasonable accommodations to qualified applicants or employees. A “reasonable accommodation” is a change that accommodates employees with disabilities so they can do the job without causing the employer “undue hardship” (too much difficulty or expense).
• Defines disability, establishes guidelines for the reasonable accommodation process, and addresses medical examinations and inquiries.

Under title II, public services (which includes state and local government agencies, the National Railroad Passenger Association, and other commuter authorities) cannot deny services to people with disabilities or deny participation in programs or activities that are available to people without disabilities.

• Prohibits discrimination on the basis of disability by “public entities” such as state and local government agencies. .
• Requires public entities to make their programs, services and activities accessible to individuals with disabilities.
• Outlines requirements for self-evaluation and planning; making reasonable modifications to policies, practices, and procedures where necessary to avoid discrimination; identifying architectural barriers; and communicating effectively with people with hearing, vision and speech disabilities.
• Public Transportation offered by a state or local government is covered by Title II of the ADA. Publicly funded transportation includes, but is not limited to, bus and passenger train (rail) service. Rail service includes subways (rapid rail), light rail, commuter rail, and Amtrak.

Title III requires that all new construction or modifications must be extensible to individuals with disabilities. Public accommodations include facilities such as restaurants, hotels, grocery stores, retail stores, etc., as well as privately owned transportation systems.

• Prohibits places of public accommodation from discriminating against individuals with disabilities. Public accommodations include privately owned, leased or operated facilities like hotels, restaurants, retail merchants, doctor’s offices, golf courses, private schools, day care centers, health clubs, sports stadiums, movie theaters, and so on.
• Sets the minimum standards for accessibility for alterations and new construction of commercial facilities and privately owned public accommodations. It also requires public accommodations to remove barriers in existing buildings where it is easy to do so without much difficulty or expense.
• Directs businesses to make "reasonable modifications" to their usual ways of doing things when serving people with disabilities.
• Requires that businesses take steps necessary to communicate effectively with customers with vision, hearing, and speech disabilities.
• If transportation is offered by a private company, it is covered by Title III. Privately funded transportation includes, but is not limited to, taxicabs, airport shuttles, intercity bus companies, such as Greyhound, and hotel-provided transportation.

Title IV requires telecommunications companies offering telephone service to the general public must have telephone relay service for individuals who used telecommunication devices for the deaf (TTYs) or similar devices.

• Requires telephone and Internet companies to provide a nationwide system of interstate and intrastate telecommunications relay services that allows individuals with hearing or speech disabilities to communicate over the telephone.
• Requires closed captioning of federally funded public service announcements.

This title includes a provision prohibiting either (a) coercing or threatening or (b) retaliating against individuals with disabilities or those attempting to aid people with disabilities in asserting their rights under the ADA.

• Contains a variety of provisions relating to the ADA as a whole, including its relationship to other laws, state immunity, its impact on insurance providers and benefits, prohibition against retaliation and coercion, illegal use of drugs, and attorney’s fees.
• Provides a list of certain conditions that are not considered disabilities.