kc and the sunshine band is just one of the many bands performing on the capitol lawn tomorrow evening. to actually be here at the capitol, the nation s capitol performing tonight, going to be one of those pinch me wow moments that i will never forget. reporter: long before the show starts at the capitol, the nats will face off with the giants tomorrow morning at nats park but is where you will find actor bradley built ford, hosting the concert with the national symphony tomorrow night. i want them to crush the giants, i m all nats. reporter: at noon, the foo fighters and eight other bands will rock rfk stadium and of course, the national mall will be packed with those going to the folklife festival and the fireworks. some the places off the mall where you can see the fireworks lincoln park, east capitol street, meridian hill, we have lots of folks to gather in those areas, a little bit further away, stale good view but a little further away from the maddening crowd
security is visible for the holidays. and in boston, lining the charles river, a half million people will watch the fireworks. city officials say they are a bit nervous. obviously, everyone s concerns have been raised because of all the isis activity that s going around. reporter: isis is urging its sympathizers to attack in the u.s. the fbi reports no specific plots uncovered, but in pittsburgh, the cops are alert. the lone wolf-type thing, there is generally no precursor warning because of the very nature of it. reporter: here s a warning, the roads are jammed. this is new jersey on the way to the beach, the heaviest holiday traffic in eight years. here s denver. cheap gas has more people driving. prices today are almost 90 cents per gallon lower than they were last year. reporter: jammed roads? check. fear of terrorism? check. millions having holiday fun? check. in pittsburgh there s been so much rain, they say their big problem is they had to cancel their annu
edition of timesaver traffic. one issue that erica grow and allyson rae are tracking would be fog. some areas it s not a problem at all and then you run into a little patch of dense fog and itself visibility just the visibility just completely dropped off. be cautious. take it slower. as soon as you run into that fog, you can t see a couple feet in front of your car. let s take a look at our white house. there it is. it looks great. we do have some i wasn t sure which map i had up first. 67 degrees. it is pretty comfortable out there temperature wise. here s my fog map. visibility is very low. we re talking manassas through the shenandoah valley, luray, orange, warrenton. that s where the visibility is really starting to drop off and right through the beltway, even though it says a mile and a half, there are pockets out there that have that low visibility. temperatures 60 degrees as you head over to andrews. 58 for bowie, comfortable this afternoon. only near 80 degrees
their street around 11:30 last night. other neighbors also tried to help. and with something that was in the roads, i didn t know exactly what it was, so i slowed down. reporter: after like five minutes nobody came back. if that call had came up the road, it would have ran over it. the baby just cried hard, you know, it s a shame that they would do something like that. reporter: they were treated and released to child services. in the meantime a woman who saw the social media post online identified herself as the child s mother, turning herself in. they say they are taking what happened here very seriously. reporter: you can t leave a two to three-month on the side of the road unattended, period. end of story. reporter: in maryland, stephanie ramirez, wusa9 news. of course so many questions remain. how long was that baby alone and why again police are questioning the mom at this very moment. we will have the latest throughout the night on our app and right here
and m street look like a combat zone. as an please were arriving , reports of a possible active shooter and in order to shelter in place. we barricaded the door and move couches. we looked around for things use as weapons in the case of attack. reporter: jackie orchard just gotten to work when an alarm went off. you could tell people who would been there before for the first one. i think was harder for them to remain calm than the other people. reporter: this incident comes five months after navy workers would back into a newly renovated building 197. i was hoping nobody gets hurt. importantly, i hope the manager was not in the building. i called him right away and he was not. reporter: workers have had several safety drills since february. today, their skills are put to the test. it went off very smoothly. the cops were very professional. the evacuation went very, very well. there was no panic. it paid off today. reporter: so what is next for navy yard employees? thr