The municipality of Mafra is served by a road network that includes national roadways (EN8, EN9, EN116 and EN247) and secondary municipal roadways, permitting access to the municipalities of Torres Vedras, Sintra, Loures, Sobral de Monte Agraço and Lisbon. In addition, the municipality is served by the A8 highway (Lisbon-Leiria), with connections to Venda do Pinheiro, Malveira and Enxara dos Cavaleiros, and the A21 highway (Ericeira–Mafra–Malveira), with connections to Ericeira, Mafra Oeste, Mafra Este, Malveira and Venda do Pinheiro, which have improved the movement of passengers and commerce, and consequently, the development of the region.