road markings: "KEEP CLEAR"
Detail showing where the paint is ridged to create vibrations in passing traffic
© Sheffield Hallam University
For educational use only. This image may be used in print or digital materials provided that full acknowledgment is given, expressed as follows: " © < insert details from the 'Rights' field >. Photographed by < insert details from the 'Photographed by' field >."
Image Storage Location:
Roads -- Design and construction
Traffic signs and signals