highway failure and their maintenance
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THE SUMMARY.
Most of the road networks in the developing countries of Africa is in appalling conditions. Nigeria is one of those countries is no exception. Road conditions in Nigeria were considered. The reasons for these conditions of roads in Nigeria were formulated and their impact on citizens, public and
the country's economy were the highlights and challenges in the form of recommendations, given that will correct the situation. Some of the causes have been identified; Poor design and construction, poor maintenance of already constructed roads, the use of low quality materials in construction, neumelosti and poor
Control of construction works and plying the heavy traffic that were not designed for the road on the road. Some of the recommendations to remedy the situation; Use the appropriate design of roads, avoiding unnecessary congestion of roads with heavy traffic, especially freight traffic, which were not designed for roads
First, what is the maintenance, suitable use of construction materials in road construction, applying the relevant tests in the soil in road construction, use of qualified engineers in the construction of roads and the use of sanctions for failures of highway.

INTRODUCTION.
Directory on the road defects (1992) refers to as the road defects visible signs of year unwanted State into pavement impacting payment, condition and appearance of the definition of "road defect" includes any part of the road, highway, or construction site that does not meet the regulations for the safe road. Nigeria is often caused by defects that most injuries or damage to vehicles include: nadequate roadsides, stripes, that rough, rough pavement that is incorrectly marked with signs, stop construction of negligence, fault, or negligence. Woven leads to accidents on the roads, which Nigeria lead
NEMA National disaster agency put up a program Engaged the competent hands of other stakeholders such as the Nigerian police, the Nigerian Army, security and civil defence corps of Nigeria's Federal Road Safety Commission, the national administration of the airspace management, the Nigerian Red Cross, said the ministries of health and of the environment. For the programme, national and state emergency agencies to prepare volunteers (Onwubiko 2010). NEMA Also conducted a study on the main causes of accidents throughout the country in cooperation with the Federal Road Safety Commission in close cooperation with the members of the BOARD of several States of emergency
Some agencies in trouble spots, such as navigation, timber/Tafa has Mararaba in Jos in Kaduna State and recommendations for some of the State Governments on the urgent need to offload some of the major federal highway that passed through the States and is currently used by heavy vehicles like transit riders representing thereby ritable camp Springs road crash. The study, she noted that the unfortunate onditions of highways contribute to the high rate of accidents on the roads. Onwubiko (2010) stated that the Nigerian roads death traps. In the developing world, which includes Nigeria, the road network the most advanced transport mode and extensive use.The Nigerian Government has for years tried to build and rehabilitate roads. Considerable interest has been shown by the Government road investments. the problem has been the extents these interests brought to achieve the desired result. The Oguara (2010) are the main roads of the area of investment in the field of transport and the most dominant mode of movement is more than 90% of passenger and goods traffic in Nigeria. One of the main problems of road works in Nigeria is the lack of adequate information to date on Nigerian roads. Some studies have been conducted on the condition of Nigerian roads. Ette (2010) stated that There was a road network to work study conducted in 1998-1999, respectively. The study covered all inter-city roads HAD turnover of more than 30 vehicles per day and a total length of about 53, 000 km. Urban roads are not included in this study.

Seminar report presentation for highway maintance and failure for civil enginering branch

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THE SUMMARY.
Most of the road networks in the developing countries of Africa is in appalling conditions. Nigeria is one of those countries is no exception. Road conditions in Nigeria were considered. The reasons for these conditions of roads in Nigeria were formulated and their impact on citizens, public and
the country's economy were the highlights and challenges in the form of recommendations, given that will correct the situation. Some of the causes have been identified; Poor design and construction, poor maintenance of already constructed roads, the use of low quality materials in construction, neumelosti and poor
Control of construction works and plying the heavy traffic that were not designed for the road on the road. Some of the recommendations to remedy the situation; Use the appropriate design of roads, avoiding unnecessary congestion of roads with heavy traffic, especially freight traffic, which were not designed for roads
First, what is the maintenance, suitable use of construction materials in road construction, applying the relevant tests in the soil in road construction, use of qualified engineers in the construction of roads and the use of sanctions for failures of highway.

INTRODUCTION.
Directory on the road defects (1992) refers to as the road defects visible signs of year unwanted State into pavement impacting payment, condition and appearance of the definition of "road defect" includes any part of the road, highway, or construction site that does not meet the regulations for the safe road. Nigeria is often caused by defects that most injuries or damage to vehicles include: nadequate roadsides, stripes, that rough, rough pavement that is incorrectly marked with signs, stop construction of negligence, fault, or negligence. Woven leads to accidents on the roads, which Nigeria lead
NEMA National disaster agency put up a program Engaged the competent hands of other stakeholders such as the Nigerian police, the Nigerian Army, security and civil defence corps of Nigeria's Federal Road Safety Commission, the national administration of the airspace management, the Nigerian Red Cross, said the ministries of health and of the environment. For the programme, national and state emergency agencies to prepare volunteers (Onwubiko 2010). NEMA Also conducted a study on the main causes of accidents throughout the country in cooperation with the Federal Road Safety Commission in close cooperation with the members of the BOARD of several States of emergency
Some agencies in trouble spots, such as navigation, timber/Tafa has Mararaba in Jos in Kaduna State and recommendations for some of the State Governments on the urgent need to offload some of the major federal highway that passed through the States and is currently used by heavy vehicles like transit riders representing thereby ritable camp Springs road crash. The study, she noted that the unfortunate onditions of highways contribute to the high rate of accidents on the roads. Onwubiko (2010) stated that the Nigerian roads death traps. In the developing world, which includes Nigeria, the road network the most advanced transport mode and extensive use.The Nigerian Government has for years tried to build and rehabilitate roads. Considerable interest has been shown by the Government road investments. the problem has been the extents these interests brought to achieve the desired result. The Oguara (2010) are the main roads of the area of investment in the field of transport and the most dominant mode of movement is more than 90% of passenger and goods traffic in Nigeria. One of the main problems of road works in Nigeria is the lack of adequate information to date on Nigerian roads. Some studies have been conducted on the condition of Nigerian roads. Ette (2010) stated that There was a road network to work study conducted in 1998-1999, respectively. The study covered all inter-city roads HAD turnover of more than 30 vehicles per day and a total length of about 53, 000 km. Urban roads are not included in this study.