State Route 645 (SR 645) in the U.S. state of Virginia is a secondary 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 645.

List County Length(mi) Length(km) From Via To Notes Albemarlehttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_002_Albemarle_2017.pdf VDOT Albemarle County 2017 Traffic Counts Dead End Wildon Grove LaneMagnolia Road Orange County line Alleghanyhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_003_Alleghany_2017.pdf VDOT Alleghany County 2017 Traffic Counts Dead End Westwood Drive Dead End Ameliahttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_004_Amelia_2017.pdf VDOT Amelia County 2017 Traffic Counts SR 307 (Holly Farms Road) Soap Stone Road SR 616 (Genito Road) Amhersthttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_005_Amherst_2017.pdf VDOT Amherst County 2017 Traffic Counts SR 610 (Turkey Mountain Road) Mill Creek Lake Road Dead End Appomattoxhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_006_Appomattox_2017.pdf VDOT Appomattox County 2017 Traffic Counts SR 604 (Promise Land Road) Hundley Springs RoadChilton Road SR 643 (Country Club Road) Augustahttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_007_Augusta_2017.pdf VDOT Augusta County 2017 Traffic Counts SR 613 (Spring Hill Road) Penrose Lane Dead End Bathhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_008_Bath_2017.pdf VDOT Bath County 2017 Traffic Counts Dead End Unnamed roadOld Mill Road SR 692 (Old Germantown Road) Bedfordhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_009_Bedford_2017.pdf VDOT Bedford County 2017 Traffic Counts Dead End Holcomb Rock RoadTrents Ferry Road Lynchburg city limits Blandhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_010_Bland_2017.pdf VDOT Bland County 2017 Traffic Counts Dead End Stillhouse Spring Drive SR 42 (Bluegrass Trail) Botetourthttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_011_Botetourt_2017.pdf VDOT Botetourt County 2017 Traffic Counts SR 640 (Lithia Road) Fringer Trail SR 643 (Mountain Valley Road) Brunswickhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_012_Brunswick_2017.pdf VDOT Brunswick County 2017 Traffic Counts Lunenburg County line Jonesboro Church Road Nottoway County line Buchananhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_013_Buchanan_2017.pdf VDOT Buchanan County 2017 Traffic Counts US 460 Unnamed roadPaw Paw Road SR 643 (Hurley Road) Buckinghamhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_014_Buckingham_2017.pdf VDOT Buckingham County 2017 Traffic Counts Dead End Foxfire Road SR 698 (Mountain View Road) Campbellhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_015_Campbell_2017.pdf VDOT Campbell County 2017 Traffic Counts SR 618 (Irvindale Road) Hurt Road SR 601 (Juniper Cliff Road) Carolinehttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_016_Caroline_2017.pdf VDOT Caroline County 2017 Traffic Counts SR 721 (Newtown Road) Lauraville Lane SR 618 (Alps Road) Carrollhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_017_Carroll_2017.pdf VDOT Carroll County 2017 Traffic Counts US 58 (Danville Pike) Stone Mountain RoadWoodstock Road SR 610/SR 615 Charles Cityhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_018_CharlesCity_2017.pdf VDOT Charles City County 2017 Traffic Counts Dead End Chickahominy Bluff Road SR 5 (John Tyler Memorial Highway) Charlottehttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_019_Charlotte_2017.pdf VDOT Charlotte County 2017 Traffic Counts SR 642 (Mossingford Road) Carwile Springs RoadEvergreen Road SR 40 (David Bruce Avenue) Chesterfieldhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_020_Chesterfield_2017.pdf VDOT Chesterfield County 2017 Traffic Counts Dead End Branchway Road US 60 (Midlothian Turnpike) Clarkehttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_021_Clarke_2017.pdf VDOT Clarke County 2017 Traffic Counts SR 7 (Harry Flood Byrd Highway) Wrights Mill Road SR 660 (Russell Road) Craighttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_022_Craig_2017.pdf VDOT Craig County 2017 Traffic Counts SR 42 (Cumberland Gap Road) Unnamed road SR 42 (Cumberland Gap Road) Culpeperhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_023_Culpeper_2017.pdf VDOT Culpeper County 2017 Traffic Counts Madison County line Kirtley Trail SR 603/SR 643 Cumberlandhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_024_Cumberland_2017.pdf VDOT Cumberland County 2017 Traffic Counts SR 13 (Old Buckingham Road) Goshen Road SR 654 (Frenchs Store Road) Dickensonhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_025_Dickenson_2017.pdf VDOT Dickenson County 2017 Traffic Counts SR 649 (DC Caney Ridge Road) Canyon RoadBad Ridge Road SR 652 (Dr Ralph Stanley Highway) Gap between dead ends Dinwiddiehttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_026_Dinwiddie_2017.pdf VDOT Dinwiddie County 2017 Traffic Counts SR 610 (Old White Oak Road) Scotts RoadWheelers Pond Road SR 613/SR 627 Gap between segments ending at different points along SR 646 Essexhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_028_Essex_2017.pdf VDOT Essex County 2017 Traffic Counts SR 606 (Fairfield Lane) Ashland Road Dead End Fairfaxhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_029_Fairfax_2017.pdf VDOT Fairfax County 2017 Traffic Counts Dead End Wall RoadLees Corner RoadStringfellow RoadClifton RoadMain StreetSchool StreetClifton RoadBurke Lake Road SR 620 (Braddock Road) Gap between segments ending at different points along SR 657Gap between segments ending at different points along US 50Gap between segments ending at different points along SR 620 Fauquierhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_030_Fauquier_2017.pdf VDOT Fauquier County 2017 Traffic Counts Rappahannock County line Tapps Ford Road SR 647 (Crest Hill Road) Floydhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_031_Floyd_2017.pdf VDOT Floyd County 2017 Traffic Counts Dead End Twins Falls RoadPine Forest RoadTwin Falls Road US 221 (Floyd Highway) Fluvannahttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_032_Fluvanna_2017.pdf VDOT Fluvanna County 2017 Traffic Counts Dead End Beals Lane SR 6 (West River Road) Franklinhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_033_Franklin_2017.pdf VDOT Franklin County 2017 Traffic Counts SR 40 (Franklin Street) Old Mountain Road Pittsylvania County line Frederickhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_034_Frederick_2017.pdf VDOT Frederick County 2017 Traffic Counts US 522 (Front Royal Pike) Airport Road US 50 (Millwood Pike) Gileshttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_035_Giles_2017.pdf VDOT Giles County 2017 Traffic Counts SR 643 (State Line Road) Market Street US 219 Gloucesterhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_036_Gloucester_2017.pdf VDOT Gloucester County 2017 Traffic Counts Dead End Mumford View Drive SR 1216 (Hayes Road) Goochlandhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_037_Goochland_2017.pdf VDOT Goochland County 2017 Traffic Counts SR 6 (River Road) Beaverdam Creek Road Dead End Graysonhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_038_Grayson_2017.pdf VDOT Grayson County 2017 Traffic Counts SR 644 (Freedom Lane) Mooretown Lane Dead End Greenehttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_039_Greene_2017.pdf VDOT Greene County 2017 Traffic Counts Dead End Jennings LoopMoore Road US 29 (Seminole Trail) Gap between segments ending at different points along US 33 Halifaxhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_041_Halifax_2017.pdf VDOT Halifax County 2017 Traffic Counts SR 644 (Stoney Ridge Road) Acorn RoadSlate Shed Road SR 636 (Thorntons Road) Gap between segments ending at different points along US 501 Hanoverhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_042_Hanover_2017.pdf VDOT Hanover County 2017 Traffic Counts SR 615 (Williamsville Road) Gould Hill Road SR 605 (River Road) Henryhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_044_Henry_2017.pdf VDOT Henry County 2017 Traffic Counts Dead End Whites Farm Road SR 644 (Hobson Road) Highlandhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_045_Highland_2017.pdf VDOT Highland County 2017 Traffic Counts US 250 Unnamed road US 250 The section between its eastern terminus and SR 654 contains the Crab Run Lane Truss Bridge listed on the National Register of Historic Places. The bridge was closed in 1994 to vehicular traffic due to a lack of structural integrity. Isle of Wighthttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_046_IsleofWight_2017.pdf VDOT Isle of Wight County 2017 Traffic Counts SR 614 (Thomas Woods Trail) Yellow Hammer RoadTar Road US 258 (Courthouse Highway) Gap between segments ending at different points along SR 644 James Cityhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_047_JamesCity_2017.pdf VDOT James City County 2017 Traffic Counts US 60 (Richmond Road) Airport Road York County line King and Queenhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_049_KingAndQueen_2017.pdf VDOT King and Queen County 2017 Traffic Counts Dead End Page Lane SR 605 (Plain View Lane) King Georgehttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_048_KingGeorge_2017.pdf VDOT King George County 2017 Traffic Counts Dead End Springfield Road SR 3 (Kings Highway) King Williamhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_050_KingWilliam_2017.pdf VDOT King William County 2017 Traffic Counts SR 636 (VFW Road) Moorefield Road Dead End Lancasterhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_051_Lancaster_2017.pdf VDOT Lancaster County 2017 Traffic Counts SR 643 (Scott Road) Dungeons Thicket Road Dead End Leehttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_052_Lee_2017.pdf VDOT Lee County 2017 Traffic Counts SR 644 Unnamed roadClyde Pearson Road SR 621 (Left Poor Valley Road) Gap between segments ending at different points along US 58 Alt Loudounhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_053_Loudoun_2017.pdf VDOT Loudoun County 2017 Traffic Counts Lonsdale Drive Croson Lane SR 772 (Ryan Road) Louisahttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_054_Louisa_2017.pdf VDOT Louisa County 2017 Traffic Counts Dead End Poplar Avenue SR 22 (Davis Highway) Lunenburghttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_055_Lunenburg_2017.pdf VDOT Lunenburg County 2017 Traffic Counts SR 137 (Dundas Road) Jonesboro Road Brunswick County line Madisonhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_056_Madison_2017.pdf VDOT Madison County 2017 Traffic Counts SR 643 (Etlan Road) Rider Hollow Lane Dead End Mathewshttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_057_Mathews_2017.pdf VDOT Mathews County 2017 Traffic Counts SR 643 (Haven Beach Road) Garden Creek Road Dead End Mecklenburghttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_058_Mecklenburg_2017.pdf VDOT Mecklenburg County 2017 Traffic Counts SR 663 (Busy Bee Road) Gordon Lake SR 664 (Union Level Road) Middlesexhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_059_Middlesex_2017.pdf VDOT Middlesex County 2017 Traffic Counts SR 3 (Greys Point Road) Locurt Grove Road Dead End Montgomeryhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_060_Montgomery_2017.pdf VDOT Montgomery County 2017 Traffic Counts Dead End Violet Lane SR 666 (Mud Pike Road) Nelsonhttp://www.virginiadot.org/info/resources/Traffic_2017/AADT_062_Nelson_2017.pdf VDOT Nelson County 2017 Traffic Counts SR 722 (Rockfish Crossing Road/Glade Road) Aerial DriveCarter Road SR 722 (Rockfish Crossing Road) New Kenthttp://www.virginiadot.org/info/resourc