CLASSIFICATION OF ROADS IN INDIA:

As per the Nagpur Pl, the roads are classified as

i) National highways

ii) State highways

iii) District highways

a) major district roads

b) minor district roads

iv) village roads

NECESSARY OF CLASSIFYING ROADS:- To plan a road network for efficient and safe traffic operation , and for knowing the clear information of a particular root in a country, the classification of roads is necessary.

a. NATIONAL HIGHWAYS:- These are the important roads of the country. They connect state capitals, ports and foreign highways. They also include roads of military importance. They are financed by the central government.

b. STATE HIGHWAYS :- these are the important roads of a state. They connect important cities and district head quarters in the state , national highways & state highways of neighbouring states. They are financed by state government roads and buildings department of the state government constructs & maintain these roads.

c. DISTRICT ROADS :- these are the roads within a district . they are financed by zillaparishads with the help of grants given by state government.

d. THE MAJOR DISTRICT ROADS:- They are roads connecting district head

e. quarters, taluk head quarters and other important town in the district production and

market centers with each other and with state & national highways & railways.

f. OTHER DISTRICT ROADS :- They are district roads of less importance

g. VILLAGE ROADS:- they connect villages with each other and to the nearest district road. They are financed by panchayats with the help of zillaparishads and state government.

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TYPES OF THE BRIDGES

BRIDGE:- Bridge is a structure for carrying the road traffic or other moving loads over a depression or obstruction such channel , road or railway.

DECK BRIDGE :- The difference between the formation level and H.F.L is sufficient to accommodate the super structure with suitable allowance for clearence , then this type of bridge is known as Deck Bridge
.
THROUGH BRIDGE:- the difference between the formation level and H.F.L is not sufficient to accommodate the super structure of bridge . In this case , it is obvious to project the super structure above the formation level , such type of bridge is known as through bridge.

TYPES OF ROAD SIGNS

i) WARNING SIGNS :- It is also called as cautionary signs. These signs indicate to traffic where some precautions is required for the safety traffic.
Eg :- Junction , Shaped bend, hill or ghat road , school zone etc.,

ii) PROHIBITORY SIGNS :- These signs indicate to the traffic, that the use of _______ is prohibited or parking at a certain place is prohibited. Etc.,

Eg:- no entry, speed limit , no U-turn , no parking etc.,


iii) MANDATORY SIGNS :- These signs indicate to the traffic to cornply with certain regulations of traffic.

Eg:- Halt , step , goslow , keep left etc.,

iv) INFORMATORY SIGNS :- These signs convey certain information.

Eg:- Route Identification , directional signs etc.,


v) TEMPORARY SIGNS :- These are signs which are used at the time of
construction of repair etc.,