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Table 1 Showing the locations of distress in the study area

From: An investigation into the cause of road failure along Sagamu-Papalanto highway southwestern Nigeria

 

Coordinates

Failure type

Location

Remark

1

3°23′29.627″E

6°53′1.217″N

3°33′19.68″E

6°53′12.48″N

3°24′27.36″E

6°53′46.48″N

3°24′17.12″E

6°53′17.38″N

Cracks

1, 2, 11, 20

Seriously cracked with the bituminous layer completely altered.

2

3°17′38.27″E

6°52′46.56″N

3°19′22.08″E

6°52′46.56″N

3°19′22.08″E

6°52′46.56″N

3°17′12.48″E

6°52′64.56″N

3°16′46.56″E

6°52′20.64″N

Potholes

4, 5, 7, 9, 19,

Crater shaped defect with fairly extensive with in some places cutting as deep as 0.5 m in some of the locations. It retains considerable quantity of rain water and provide an easy passage for the entry of rainwater

3

3°15′28.47″E

6°51′54.72″N

3°13′19.04″E

6°52′20.64″N

3°11′35.52″E

6°53′35.52″N

3°12′10.41″E

6°52′47.50″N

3°22′26.88″E

6°52′34.57″N

3°15′28.18″E

6°52′46.32″N

3°16′20.54″E

6°52′20.64″N

3°53′12.22″E

6°52′53.22″N

3°34′42.24″E

6°53′12.48″N

Corrugation and Raveling

3, 8, 6, 10, 12, 14, 16, 17, 18,

The portion are fully broken down with the structural components of the road entirely pulled out and removed