"For Roadway with Underpass (Le viaduc), Van Gogh chose the vantage point of a traveler en route from Asnières, which is suggested by a dim glow at the end of the tunnel. The lone figure clad in black walking into the darkness midway in the tunnel lends a vague air of foreboding. Van Gogh painted this scene at the beginning of his mature period when he was exploring the technical achievements of the various ...." http://www.guggenheim.org/new-york/collections/collection-online/artwork/1483