The choice of cement concrete pavement over
bituminous pavement depend upon various factors, such as subgrade
soil, rainfall, traffic volume, availability of construction materials, besides
costs, etc. Accordingly, the choice of pavement type for development of green
field expressways may vary from project to project.
Cement concrete
roads have more life span compared to bituminous pavement; but the same could
not be quantified. However, the concrete roads also have their inherent
limitations, such as higher initial cost, poorer riding quality at joints and
more noise due to traffic as compared to bituminous pavements. Further, stage
construction is not possible in case of concrete roads.
The Government has
approved construction of 1,000 km of Expressways under the National Highways
Development Project (NHDP) Phase-VI. The following stretches have been
identified under NHDP-Phase-VI:-
S.NO.
.
|
Section
|
Length (km)
|
1
|
Vadodara—Mumbai
|
400
|
2
|
Bangalore—Chennai
|
334
|
3
|
Delhi—Meerut
|
66
|
4
|
Kolkata—Dhanbad
|
277
|
This information was given by the Minister of
State of Road Transportand Highways, Shri Jitin Prasada, in a written reply in Rajya Sabha today.
SK/kd