sligo creek parkway has been closed on both sides of busy colesville road order of the maryland nationalcapitalpark police. >> we had to shut down sligo creek parkway because of the potential for flash flooding in the current flooding situation. >> repter: how long will it stay closed? >> we will keep monitoring the situation. we'll advise you as soon as we can open it. we don't anticipate opening it until the rain stops. >> reporter: the most difficult driving was in morning and midday traffic when the rain fell hardest. there were a lot of accidents and close calls that made it nerve-racking. >> you know, people drive a little swer when it's rainy like this and it gets a little slippy. and you need to be more cautious. >> repter: commuters will arrive home tonight probably having stories of difficult drives and delays. hopefully tomorrow will be a better day. we're live in kensington along connecticut avenue. back toou in the studio. >> thank you, chris. >>> what about power? right nowhousands of people in our area are without electricity. dominion tells us more than 3,000 mers are in

. >> reporter: sligo creek parkway has been closed on both sides of busy colesville road by order of the maryland national capital park police. >> we had to shut down sligo creek parkway because of the potential for flash flooding in the current flooding situation. >> reporter: how long will it stay closed? >> we will keep monitoring the situation. we'll advise you as soon as we can open it. we don't anticipate opening it >>reporter: beach drive is covered with water. it is also closed to traffic. standing in the curb lane took many motorists by surprised in beltsville. in bowie, the driving rain made driving difficult. a number of roads were closed because of large poolof water which posed a danger. >> it's bad. you couldn't see. you had to drive with your flashers on this morning. >> reporter: two years ago upper marlboro was flooded. this is what some of the businesses looked like here. the same area of marlboro pike today is not flooded. but spike chapman who owns this appliance store worries if it continues to rain, it could flood again. >> pretty soon the water ain't got nowre