Gorj county`s transport network is based on roads and railway..
The railway network has a length of 236 km, entirely regular regime; the part of railway that crosses the county connects two major raillways, Bucharest – Craiova – Timisoara and Bucharest – Brasov – Arad, through Filiasi – Targu Jiu – Petrosani – Simeria. Another route, Targu Jiu – Rovinari – Turceni crosses the west of the county and connects to the main railway Bucharest – Timisoara.
The roads network is 2.199 km long of which only 610 are modernised. The national roads sum up 356 km. The county is crossed by E 79 (DN 66): Oradea – Beiuş – Deva – Petroşani – Târgu Jiu – Filiaşi – Craiova – Calafat, with a total length of 535,4 km. Another important national road is DN 67, between Rm. Vâlcea – Horezu (Vâlcea county) – Târgu Jiu – Motru (Gorj county) – Drobeta Turnu Severin (Mehedinţi county), with a total legth of 200 km and it crosses the most picturesque sector of the county, of a great ethnocultural richness. Other secondary roads (67 B, 67 C, 67 D) connect the main towns of the county and the neighbouring counties:
- National road 67B: Târgu Jiu – Târgu Cărbuneşti – Hurezani – Grădiştea (Vâlcea county) – Drăgăşani (Vâlcea county);
- National road 67C: Târgu Jiu – Novaci – Sebeş (Alba county) – Transalpina;
- National road 67D: Târgu Jiu – Hobiţa – Baia de Aramă (Mehedinţi county), with a branch going North towards Tismana, and another going South towards Motru. Toouristically, DC 137: Runcu – Valea Sohodolului – Valea de Peşti (Hunedoara county) is a tranns-carpatic route that hasn`t been modernised, of a unique beauty.
In the rest of the county the transportation is made through a large network of county and communal roads that provide the connection with many towns of touristic interest:
- DJ 673: Apa Neagră – Padeş – Cloşani – Valea Mare (with the same name lake on the river Motru);
- DJ 663: Tismana – Gornoviţa – Peştişani, towns knows for their ethno-valuable opportunities;
- DJ 678A: Poienari – Baia de Fier – Peştera Muierii – Valea Olteţului;
- DC 139: Runcu – Dobreşti – Leleşti – Suşiţa Verde, the specified toens preserving numerous ethnofolcloric elements.