Quality Assurance Handbook for Rural Roads Volume-I - pmgsy

1700. TRAFFIC SIGNS AND MARKINGS
A. Methodology
I Traffic Signs
225
Quality Assurance Handbook for Rural Roads
1. The colour, configuration, size, location and dimensions of different road signs shall be in
conformity with the Code of Practice for Road Signs IRC: 67. The language of inscription and font
for informatory signs shall also be in conformity with the Code of Practice for Road Signs IRC: 67.
2. Signs shall be semi-reflective, fixed over mild steel sheeting duly stove enameled in white colour
in front and grey colour on the back, red engineering grade tape on borders and required message
in non-reflective black sheeting of Engineering grade tape.
3. Road signs, in particular, the cautionary/ warning and mandatory/ regulatory signs in the
approaches to level crossings or narrow bridges may be reflectroised using luminous paints or
other similar reflective material.
4. It is desirable that cautionary/ warning and mandatory signs are fabricated through the process
of screen-printing. In other cases, signs may have inscription/message having cut letters of nonreflective
black sheeting which shall be bonded well with the base sheeting.
5. The informatory signs on PMGSY roads shall have prescribed diamond type logo (600 mm x 600
mm) of Pradhan Mantri Gram Sadak Yojana on top of sign board.
6. Concrete for footings shall be of minimum M15 grade. Reinforcing steel shall conform to the
requirements of IS:1786. High strength bolts, nuts and washers shall conform to IS:1367. Plates
and support sections shall conform to IS:2062.
7. Sign posts, their foundations and sign mountings should be so constructed as to hold them in a
proper position against normal wind loads or displacement by vandalism.
8. Normally signs with an area upto 0.90 sqm can be mounted on a single post and for greater area
two or more supports shall be provided.
9. Sign supports may be of mild steel (MS), reinforced concrete (RC) or galvanized iron (GI). The
post ends should be firmly fixed to the ground.
10. The signs and supports, except the reflectorised portion and GI posts, shall be thoroughly descaled,
cleaned, primed and painted with two coats of epoxy paint. The portion of mild steel post
below ground should be painted with three coats of red lead paint.
11. The signs should be fixed to the MS posts by welding and to the RC or GI posts by bolts and
washers. After the nuts have been tightened, the tails of the bolts should be furred over with a
hammer to prevent removal.
12. The extreme edge of the Road Sign adjacent to the highway should be at a distance of atleast 2.0 m
from the edge of the carriageway. In no case any part of the Road Sign shall come in the way of
vehicular traffic.
13. The lowest edge of Road Sign shall not be less than 2.0 m above the crown of pavement.