Traffic is a monthly, peer-reviewed, scientific journal, which was established in 2000, and is published by Wiley-Blackwell.

This journal is co-edited by Eric Chevet, Antonella De Matteis, Eeva-Liisa Eskelinen, and Hesso Farhan.

The journal covers all aspects of signal transduction (intracellular transport) in health and disease, for both mammalian and non-mammalian biological systems.

The journal was established by Frances Brodsky, Mark Marsh, Sandra Schmid, and Thomas Kreis.

Kreis died in a plane crash before the first issue was published.