Orlando regional public transportation system is called LYNX, a public bus system that services all of Central Florida. LYNX bus stops are often marked by a round sign with either a pink paw or pink bus symbol. Standard bus fare is $2 per person one way, with free transfers.  You can get daily passes on the bus ($4.50) and weekly passes for $16 which have to be bought in advance, either on the web or from certain outlets in the area.  In addtion, LYNX also offers a free bus system within Downtown Orlando called LYMMO. If you plan on using LYNX it is strongly recommended that you visit the official website for route information: www.golynx.com or call 407-841-LYNX

For visitors staying on International Drive, there is a summary of bus service provision here:
http://www.tripadvisor.com/Travel-g34...

In addition to LYNX, there is also the IRIDE Trolley bus system on International Drive. The IRIDE only services International Drive and is mostly geared towards tourists.

For visitors staying in Walt Disney World, there is a summary of bus services here:
http://www.tripadvisor.com/Travel-g34...

For visitors staying is certain parts of Lake Buena Vista, there is a summary of bus services here:
http://www.tripadvisor.com/Travel-g34...

And for people on or near US192 in Kissimmee, bus information is here:
http://www.tripadvisor.com/Travel-g34...

Orlando also enjoys a local commuter rail system, branded Sunrail.  The first phase (between DeBary, just north of Sanford, and Sand Lake Rd) is operating on weekdays only (peak hours every 30 minutes, occasonal services at other times) at present (June 2014).  The system is to be extended to Kisimmee in the future.