The major highways passing through Markham include; the 404 (also known as the Don Valley Parkway in Toronto) and Highway 407. This is a toll highway that passes north of Toronto and connects Markham with Vaughan, Brampton and Burlington. Tolls fees on this highway are sent to users by mail. There is no need to stop and throw money into a toll both as is customarily seen in many parts of the United States.
The 407 runs parallel to Highway 7, and along with 16th or Sixteenth Avenue and Major Mackenzie are the major east-west arteries servicing Markham.
York Region Transit (YRT) connects Markham with surrounding municipalities including, Richmond Hill, Newmarket and Vaughan. YRT also connects to the Toronto Transit Commission or TTC by way of the VIVA Bus Rapid Transit from Finch station along Yonge Street, and Don Mills station through Unionville and to Markville Mall.
The TTC also provides service in Markham on several north-south routes including Don Mills Rd., Warden Avenue, Birchmount Rd, McCowan and Markham Rd.
GO Transit provides train service which connec ts with downtown Toronto on the Stouffville commuter ail service. The line has stops at several stations in Markham, including; Unionville GO Station, Centennial GO Station, Markham GO Station and Mount Joy GO Station. The Richmond Hill commuter rail line provides service to the Langstaff GO station which straddles Markham and Richmond Hill, but, is primarily used by residents of west-central Markham and southern Richmond Hill.
Buttonville Municipal Airport caters to general aviation and business commuter traffic to Ottawa and Montreal. Operators at Buttonville include: