A15, called in Portuguese: Auto-Estrada do Atlântico, is a motorway in Portugal, connecting Caldas da Rainha and Óbidos to Santarém via Rio Maior. The A15 is operated by Auto-Estradas do Atlântico. part of Brisa
Map of A15, Portugal
The road carries very little traffic.
References
A15 motorway (Portugal) Wikipedia(Text) CC BY-SA