This video demonstrates how to perform a free rotation when placing street markings in OpenRoads ConceptStation. In order to freely rotate the street marking instead of snapping to an angle from a source geometry, you can hold down the Shift key and the marking will rotate with the mouse for placement.
Click the video below to play it. To view in fullscreen mode, first click the YouTube link at the bottom of the video to launch the video on the YouTube site. Then, click the fullscreen button (rightmost button at bottom of video).