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 |