TABLE 5 - Values of Travel Time Savings (VTTS)
TABLE 5 - Values of Travel Time Savings (VTTS)
$ per person-hour noncommuter car driver
| Attribute | Model 1: All attributes assumed to be attended to | Model 2: Deterministic attribute exclusion | ||
|---|---|---|---|---|
| Sample mean | Sample standard deviation | Sample mean | Sample standard deviation | |
| Free flow time | 17.80 | 9.12 | 18.89 | 8.08 |
| Slowed down time | 17.61 | 7.73 | 24.96 | 11.89 |
| Range: free flow time | −8.30 to 67.31 | −8.30 to 67.31 | −4.30 to 52.49 | −4.30 to 52.49 |
| Range: slowed down time | −66.91 to 35.69 | −66.91 to 35.69 | −6.53 to 63.26 | −6.53 to 63.26 |
| Proportion of negative VTTS | 2.90 | 2.32 | 0.78 | 0.78 |
| Ratio slowed to free flow time | 0.989 | 0.848 | 1.321 | 1.472 |
| Sample size | 3,568 | 3,568 | 3,072 | 2,944 |