| 摘要 |
A snow plowable pavement marker having a low-profile, including a base member comprising a generally flat circular element having an annular peripheral depending rim adapted to be installed in an annular drilled recess in a highway pavement, the flat lower surface being disposed, in use, directly upon the road surface and the upper surface of the base member providing cavities supporting reflective devices, and the top surface of the base member defining an inclined ramp surface from at least two directions of approach when installed in place in a pavement.
|
