| burstPipe | EnumerationLiteral
| 0 | The road surface has sunken or collapsed in places due to burst pipes. |
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| burstWaterMain | EnumerationLiteral
| 1 | Traffic may be disrupted due to local flooding and/or subsidence because of a broken water main. |
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| collapsedSewer | EnumerationLiteral
| 2 | The road surface has sunken or collapsed in places due to sewer failure. |
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| damagedBridge | EnumerationLiteral
| 3 | Damage to a bridge that may cause traffic disruption. |
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| damagedCrashBarrier | EnumerationLiteral
| 4 | Damage to a crash barrier that may cause traffic disruption. |
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| damagedFlyover | EnumerationLiteral
| 5 | Damage to an elevated section of the carriageway over another carriageway that may cause traffic disruption. |
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| damagedGallery | EnumerationLiteral
| 6 | Damage to a gallery that may cause traffic disruption. |
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| damagedGantry | EnumerationLiteral
| 7 | Damage to a gantry above the roadway that may cause traffic disruption. |
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| damagedRoadSurface | EnumerationLiteral
| 8 | Damage to the road surface that may cause traffic disruption. |
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| damagedTunnel | EnumerationLiteral
| 9 | Damage to a tunnel that may cause traffic disruption. |
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| damagedViaduct | EnumerationLiteral
| 10 | Damage to a viaduct that may cause traffic disruption. |
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| fallenPowerCables | EnumerationLiteral
| 11 | The road is obstructed or partially obstructed by one or more fallen power cables. |
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| gasLeak | EnumerationLiteral
| 12 | Traffic may be disrupted due to an explosion hazard from gas escaping in or near the roadway. |
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| weakBridge | EnumerationLiteral
| 13 | Weak bridge capable of carrying a reduced load, typically with a reduced weight limit restriction imposed. |
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| other | EnumerationLiteral
| 14 | Other than as defined in this enumeration. |
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