State Route 640 (SR 640) in the U.S. state of Virginia is a

secondary Secondary may refer to: Science and nature * Secondary emission, of particles ** Secondary electrons, electrons generated as ionization products * The secondary winding, or the electrical or electronic circuit connected to the secondary winding i ...

route designation applied to multiple discontinuous road segments among the many counties. The list below describes the sections in each county that are designated SR 640.

List

References

External links

{{commonscat, Virginia State Route 640

640 Year 640 (Roman numerals, DCXL) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar. The denomination 640 for this year has been used since the early medieval period, when the Anno Domini calendar er ...