It lies at the end of the Trans - Gabon Railway and the N3 road .
Franceville -- Franceville is one of the four largest cities in Gabon , with a population of around 110,568 people .
Franceville lies at the end of the Trans - Gabon Railway and the N3 road .
Franceville -- Franceville is one of the four largest cities in Gabon , with a population of around 110,568 people .