|
| Year | Result | Explanatory Note |
|---|
| 2001 | 935.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. |
| 2002 | 913.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. |
| 2003 | 942.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. |
| 2004 | 922.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. |
| 2005 | 946.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. |
| 2006 | 961.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. |
| 2007 | 1,026.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. |
| 2008 | 821.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. |
| 2009 | 758.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. |
| 2010 | 740.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. |
| 2011 | 764.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. |
| 2012 | 776.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. 2012 measure result is preliminary.Final result updated to 776. |
| 2013 | 741.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. Final CY2013 result updated in FY2014 |
| 2014 | 703.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. The 2014 measure result is preliminary. Final CY 2014 result will post in FY2015.Final CY2014 result updated to 703 |
| 2015 | 753.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. The posted result is preliminary. The final result for CY2015 will be updated in FY2016. Final CY2015 result updated to 753. |
| 2016 | 761.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. The posted result is preliminary. The final result for CY2016 will be updated in FY2017. Final CY2016 result updated to 761. |
| 2017 | 843.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. The posted number is preliminary. The final result for CY2017 will be updated in CY2018. Final CY2017 result updated to 843. |
| 2018 | 819.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. The posted number is preliminary. The final result for CY2018 will be updated in CY2019. CY 2018 updated to 819. |
| 2019 | 827.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. The posted number is preliminary. The final result for CY2019 will be updated in CY2020. Final CY 2019 updated. |
| 2020 | 834.00 | This is a shared measure with the Virginia Department of Transportation and is calculated on a calendar year basis. The posted number is preliminary. The final result for CY2020 will be updated in CY2021 |
| 2021 | | |