Editing Public–private partnership (section)

===Transportation===
[[File:IMG_06141.JPG|thumb|200x200px|The main toll plaza of the [[Virginia State Route 267|Dulles Toll Road]] concession in [[Virginia]], whose price is periodically increasing.]]
Another major sector for P3s is transportation. The P3 Transportation sector can be broadly split into five sectors: airports, ports, roads, railways and urban passenger transport (which includes bus, light rail and heavy rail systems).

Many P3s in the United States have been [[toll road]] concessions.<ref name=":0" /> Transportation projects have accounted for 1/5 of all P3 projects in Canada. Major transportation P3 projects have included the [[Confederation Bridge]] linking [[Prince Edward Island]] and [[New Brunswick]], the [[Pocahontas Parkway]] in [[Virginia]], and the [[History of the London Underground#Public–private partnership|London Underground PPP]].