In transport geography, the additional traffic resulting from additions to road capacity (Levinson (2008) J. Econ. Geog. 8, 1). Goodwin and Noland (2003) Appl. Econ. 35 find that building new roads really does create extra traffic. See also St John and Pouder (2006) Growth & Change 37, 2.
Subjects: Earth Sciences and Geography.