To paraphrase what's in the URL....
The Fairfax County Board of Supervisors and Fairfax County Department of Transportation (FCDOT) are seeking feedback from the community to help prioritize unfunded transportation projects in the county:
https://www.fairfaxcounty.gov/fcdot/tpp2017.htm
They can be implemented with existing revenue sources through Fiscal Year 2023, and with additional funding that may become available in the future.
Here is the list of current unfunded projects:
https://www.fairfaxcounty.gov/fcdot/pdf/tpp_2017/project_list_final.pdf
And this is the current list of funded projects:
https://www.fairfaxcounty.gov/fcdot/cdot/projects/approved.htm