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What are the Components of Highways?

The basic components of the highway are the road width, cross slope, pavement, road margins, traffic separators, and curbs. These geometric elements are designed and influenced by the psychology of the driver, the characteristics of the vehicle and ...

Road User Characteristics in Traffic Engineering

Road users play an important role in studying traffic engineering. They take up various roles like drivers, pedestrians, cycles etc and assess the conditions in their own unique way. The physical, mental and psychological factors are the main ...

Concrete Pavements for Car Parking – Features and Construction

Concrete pavements for car parking are constructed as slab-on-grade structures which are not subjected to heavy traffic and movement as compared to highway concrete pavements. They provide access to both heavy and light delivery vehicles. Concrete pavements as ...

Ballast – Functions and Types

Ballast is a granular material which is placed and packed below and around the railway sleepers. Different types of ballast materials used are broken stone, sand, gravel, moorum, brickbats etc. The main purpose of ballast is to transmit ...

Difficulties in Soil Stabilization for Road Construction

Soil stabilization is the method of improving soil properties by adding suitable stabilizers to it. It is very important to achieve the required strength for the soil, especially in road construction projects where an unstable base can lead ...

Grade Separation and Interchanges

Grade separation is a method developed to avoid the disruption of traffic flow at intersections. Grade separation is adopted at junctions where two or more surface transport axes cross with each other. Different types of grade separation structures, advantages and disadvantages ...

Lime Soil Stabilization Method and Factors Affecting it

Lime-Soil stabilization is the process of adding lime to the soil to improve its properties like density, bearing capacity etc. Various factors affecting lime-soil stabilization are soil type, lime type, lime content used, compaction, curing period and additives ...