| Reason | Mean | Standard Deviation |
| Convenience | 0.56 | 0.50 |
| Safety | 0.30 | 0.46 |
| No car availability | 0.27 | 0.44 |
| Destination has limited/no parking | 0.24 | 0.43 |
| Cheaper than alternatives | 0.21 | 0.41 |
| Parking at destination is expensive | 0.19 | 0.39 |
| Transit is not accessible | 0.06 | 0.23 |
| Transit is not reliable | 0.03 | 0.17 |
| Other reason | 0.03 | 0.18 |
| Other mode not available | 0.02 | 0.15 |