doug just ref reynolds. flash freezing causing a threat and if you do drive, use caution. for more at the live desk, i'm scottacfarlane. >>> all that getting around proved to be pretty easy as long as you were on the main roads. >> there was a danger of black ice forming and roadways freezing rapidly overnight. adam is in falls church on one of the side streets that has yet to be cleared. adam. >> reporter: there is a reason we're talking about freezing because it's freezing out here. this is helena drive in falls church. let me give you a look at the road here. a side street completely covered with snow and the snow is now turning to ice. i do want to say, this is the exception and not the rule in northern virginia. vdot has done a good job clearing the main roads. this road we're being told and ice that's here, it could be here a while. even though the storm is gone, damage still being done. >> what can due on secondary roads? can you bring the plows in? bring more chemicals in? what condition you do there? >> we will continue to plow until there's something to plow. it gets to a point you don't need to plo