Several highways serve the commune including the downgraded roads RN 171 (now the RD 971 from Carentan), RN 24BIS (now the RD 924 towards Villedieu-les-Poêles) and RN 173 (now the RD 973 from Avranches).
Granville is located 25 km (16 mi) from the A84 (E401).
It is also crossed from north to south by the old RN 811, today the RD 911, the road to the coast at Avranches.

The Paris - Granville line departing from Paris-Montparnasse railway station has its terminus at Granville station, it is used by Intercités Normandie and TER Basse-Normandie.
The northern section of the LGV des estuaires project should increase opportunities for connections to and from Granville.

Several bus routes connect Granville with a network set up by the General Council of Manche, Manéo with routes 2, 3, 7, 116, 122, 202, 300, 302 and 305, and the Néva network since December 2014, created and operated in-house by the town of Granville.

The Granville-Mont-Saint-Michel Airport allows landings of private aircraft and the Caen – Carpiquet Airport ensures the interregional links.

By boat, the port of Granville serves the Chausey Islands and the Channel Islands (44,100 passengers) and hosts freight activities (197,000 tonnes).

An urban transport network is planned for 2014 and should cross the whole community of communes.
Several highways serve the commune including the downgraded roads RN 171 (now the RD 971 from Carentan), RN 24BIS (now the RD 924 towards Villedieu-les-Poêles) and RN 173 (now the RD 973 from Avranches). Granville is located 25 km (16 mi) from the A84 (E401). It is also crossed from north to south by the old RN 811, today the RD 911, the road to the coast at Avranches.
The Paris - Granville line departing from Paris-Montparnasse railway station has its terminus at Granville station, it is used by Intercités Normandie and TER Basse-Normandie. The northern section of the LGV des estuaires project should increase opportunities for connections to and from Granville.
Several bus routes connect Granville with a network set up by the General Council of Manche, Manéo with routes 2, 3, 7, 116, 122, 202, 300, 302 and 305, and the Néva network since December 2014, created and operated in-house by the town of Granville.
The Granville-Mont-Saint-Michel Airport allows landings of private aircraft and the Caen – Carpiquet Airport ensures the interregional links.
By boat, the port of Granville serves the Chausey Islands and the Channel Islands (44,100 passengers) and hosts freight activities (197,000 tonnes).
An urban transport network is planned for 2014 and should cross the whole community of communes.
Granville, Manche