Autoroute A34 is a toll free motorway in northeastern France, approximately 98 kilometres (61 mi) long. It is an upgrade of the N43 and N51. It links Sedan with Reims. It forms part of European routes E44 and E46.

This article contains a bulleted list or table of intersections which should be presented in a properly formatted junction table. Please consult this guideline for information on how to create one. Please improve this article if you can. (December 2021)

Exit/Junction	Destination
0	Exchange A203-N43 Start of the autoroute from N 43 to Belgium (east)
4	(Sedan-ouest) Towns served: Sedan, France
5	(Donchery) Towns served: Donchery
6	(Vrigne au Bois) Towns served: Viver-au-Court, Vrigne-aux-Bois
7	(Lumes) Towns served: Lumes
8	(Villers Semeuse) Towns served: Villers Semeuse, Charleville-Mézières
9	Exchange A-203-N43-A34 Junction of the A 203, N 43 (to Cambrai) and A34 south

Exit/Junction	Destination
10	(St Marceau) Towns served: St Marceau
11	(Boulzicourt) Towns served: Boulzicourt
12	(Yvernaumont) Towns served: Yvernaumont
13	(Poix-Terron) Towns served: Poix-Terron
14	(Faissault) Towns served: Faissault
15	(Bertoncourt) Towns served: Rethel, Bertoncourt
0	Exchange N51-A34 The autoroute becomes the N 51 towards Reims.
25	Witry-lès-Reims - N51 The autoroute becomes the A34 again with a junction with the N 51 north east of Reims. Towns served: Reims, Witry-lès-Reims
26	(Cernay-lès-Reims (proposed)) Towns served: Reims, Cernay-lès-Reims
27	(Reims-Europe) Towns served: Reims
xx	(Porte Farman Sud) Towns served: Reims
xx	(Zone Industrielle Pompelle) Towns served: Reims
xx	(Parc des Expositions) Towns served: Reims
0	Exchange A4-A34 The autoroute has a junction with the A 4 to Paris (west), Metz (east). Towns served: Cormontreuil

• A34 autoroute in Saratlas