Weighted average traffic increased by 3.5 per cent on the same time last year.
The toll road operator says the results reflect increased aggregate traffic levels at the APRR toll road in France.
The company owns a 25 per cent interest in the toll road which delivered positive traffic performance during the quarter, boosted by a favorable economic environment in France.
Shares in Atlas Arteria (ASX:ALX) are trading 0.6 per cent higher at $6.45.