Page 142 - ASBIRES-2017_Preceedings

Madushani, Bandara & Karunananda

All road numbers and house numbers Figure 1: Determining the beginning point
should be assign by using integer, and numbering main roads
alphanumeric and hyphenated numbers.
Fraction numbers are not allowed as a road
or house number.
iv. Assigning numbers for roads

a. Main Roads
The method of numbering main roads
of the cross is anti-clockwise direction.
Assign main roads as A1, B1, and C1 etc.
(figure 1)

b. Sub roads
Odd/even numbering rule is used to
assign numbers for the sub roads. According Figure 2: Numbering sub roads
to the forward direction from the beginning vi. Numbering for a new house
point, right side sub roads are numbered
using even numbers and left side sub roads New buildings are numbered in order of
are numbered using odd numbers. its build.
a. Number is assigned with the number of
If the main road is divided, assign even
number for the right side road and odd old house ahead the new house and
capital English letter, according to the
number for the left side road with its letter order of build. (English letters are A, B,
(A2, A3, A4 etc.).Sub roads are divided as C after AA, BB,CC etc.) (Figure 3)
two parts by considering full distance of the
road. From that option it is easy to assign b. If the new house is situated in the
the house number with the main road which beginning of the road, the number is
is most close to the house (Figure 2). according to the number of old house
behind the new house with A, B, C.
v. Numbering Houses or Buildings (Figure 3)

Assign numbers for the houses or
building according to the odd/even
numbering system, even number for the
right side houses and odd number for the left
side houses.If any house or building has
more than one entrance roads, consider main
entrance and assign one number for that
main entrance.

Figure 3: Assign numbers for houses

vii. Provincial Numbers

Following provincial numbers (Table 1)
are extracted from the government standard

provincial codes. This provincial number is

132