Archive for the ‘Transportation Engineering’ Category

Los Angeles Abrasion test | Test for road aggregates

Tuesday, October 3, 2017 18:03 No Comments

Los Angeles Abrasion test | Test for road aggregates Los Angeles abrasion test is used to check the hardness of the aggregates. Procedure for Los Angeles Abrasion test 

This was posted under category: Transportation Engineering

Types of traffic controlling devices | Traffic Signs

Wednesday, June 19, 2013 16:46 No Comments

Traffic Signs Traffic signs are means of warning, regulating and informing the drivers. Material for traffic signs Material should be such that

This was posted under category: Transportation Engineering

Traffic controlling devices | What are pavement markings

Tuesday, June 18, 2013 14:37 No Comments

Traffic controlling devices The devices which are used to control and regulate the flow of traffic are called traffic controlling devices. These are of three types: Pavement markings. Traffic signs. Traffic signals. Pavement markings Pavement markings are in the form of bands or strips of paints, which are

This was posted under category: Transportation Engineering

What is Lane occupancy ?

Sunday, June 9, 2013 20:36 No Comments

Lane occupancy Lane occupancy is the ratio of the sum of the lengths of the vehicles to the length of the road section in which those vehicles are present.

This was posted under category: Transportation Engineering

Definition of traffic density | Headway and Spacing | Clearance and Gap

Saturday, May 25, 2013 18:02 No Comments

Traffic density Traffic density is the number of vehicles occupying a given length of the highway in a traffic lane.  It is expressed as vehicle/mile or vehicle/kilometer.

This was posted under category: Transportation Engineering

Definition of speed | Traffic volume and Traffic rate of flow

Sunday, May 19, 2013 15:29 No Comments

Speed Distance covered by vehicle in unit time is known as speed. Its units are miles/hour or km/hr.

This was posted under category: Transportation Engineering

Definition of Sight distance | Stopping and passing sight distance

Tuesday, May 14, 2013 19:46 No Comments

Sight distance The clear distance ahead of vehicle which is visible to the driver is known as sight distance. If suitable sight distance is not provided on the curves, then highway become accidential spot.

This was posted under category: Transportation Engineering

Definition of Super Elevation | How we provide super elevation in the field ?

Tuesday, May 14, 2013 14:47 No Comments

Super Elevation Whenever on roads, curve has to be made, outer edge of the road on the curve is raised as compared to the inner edge. This is known as super elevation.

This was posted under category: Transportation Engineering

Definition of road camber | Factors on which camber height depends

Saturday, April 20, 2013 0:35 No Comments

Road Camber The convexity or curvature of the road to avoid staying of water is known as camber. The highest point of camber is known as crown.

This was posted under category: Transportation Engineering

Definition of road median and its purposes | Types of road medians

Friday, April 19, 2013 15:00 No Comments

Road median Road median is the portion in between the dual carriage way which separates the traffic flow in opposite direction.

This was posted under category: Transportation Engineering