Accident

6

Accident.

Construction

10

Construction.

Demonstration

5

Demonstration.

Holiday

7

Holiday.

Maintenance

9

Maintenance.

MedicalEmergency

12

Medical emergency.

OtherCause

2

Other cause not represented by any other value.

PoliceActivity

11

Police activity.

Strike

4

Strike.

TechnicalProblem

3

Technical problem.

UnknownCause

1

Unknown cause.

Weather

8

Weather.