Roads are infrastructure that has a vital role for the community in supporting social and economic activities. Therefore, appropriate handling information is needed road maintenance improvement to be on target. One of methods used International Roughness Index (IRI) method with help Road bump application. The purpose this study analyze recommend surface conditions, as well test validity applica...

To ensure safe, comfortable driving at high speeds, a strong, even surface is required for the entire life of pavement. In this regard, issue predicting changes in equality coverage over time very important. The article considers peculiarities changing longitudinal road surface. Purpose to improve model forecasting non-rigid Methods – analytical and experimental. analysis existing decisions on ...

The International Roughness Index (IRI)'s survey is a longitudinal profile to determine of road. purpose this provide an overview road conditions and input in optimizing the maintenance rehabilitation existing roads city Palangka Raya. data used for analysis IRI’s from surveys on several that represent Raya City with RoadLabPro application car. results showed Beruk Angis had average IRI value 9...

A study of Pakistan’s private road freight Irenspofl industry was undertaken and data on freight tariffs, vehicle utilisation, revenues andoperating costs were analyzed, Over a period of four years it was found that average !afiff levels closely followed the rate of inflation with a small marked seasonal variation depending on trip direction. Using multiple regression analysis of crosssectional...

-Pollution in air is generated by the developments, which typically occur as the country gradually shifts towards industrialization, due to city growth, increasing traffic, rapid economic development, and higher levels of energy consumption. Indian cities are among the most polluted cities in the world. The main source of air pollution in Indian metropolitan cities is petrol and diesel driven v...