 These bypasses are around Danville, Chatham, Gretna, Hurt-Altavista, Lynchburg-Madison Heights-Amherst, Lovingston, Charlottesville, Madison, Culpeper, Remington, and Warrenton.In addition, Interstate 66 serves for the most part as a by-pass of Manassas and also Fairfax and Arlington.US 29 enters Virginia in Danville from North Carolina, immediately splitting into business and by-pass routes.