they've already closed the marina onramps. and it will disappear after 75 years.t was built along with the golden gate bridge. and for a long time it's been considered too narrow, too seism seismically fragile and in need of replacement. and they're going to start to replace it. it's a long battled, carefully designed combination of three tunnels, two bridges. it's scenic. it will cost $1.1 billion and should be open in about three years. about half of it is built already. starting monday, people are going to find something entirely different when they approach doyle drive. >> well, we can see an animation of what it's going to look like or is in the process now of -- >> right. now this portion here is already built. this is a new sort of y intersection. and now we've shifted. we're heading from the golden gate bridge south. this is along the current doyle drive. we're approaching highway 1. which will split off to the right here. and going straight ahead across a new viaduct being built. and heading into a tunnel. the battery tunnel. and it's one of three tunnels

. >> and marina onramp is now just minutes from closing. >> there is seems like traffic spotters are prepared. here is a live shot. traffic looks like it's good heading out of san francisco now. and on abc 7 there is you can see there isn't much slowing and as i check out park presidio there is no big slow down. slowing is in the southbound direction soits looking good now. there is a also good detours for you. you can see it's slow in this area. there is a live shot backed up towards the foot of the maze. there is another alt mitt route. >> expecting pleasant weather. >> we are indeed. >> there is tomorrow's forecast. sunny skies and highs into upper 70s to low 80s, breezy on the coast. and inland there is a great weekend, ples yabtant and dry next week. >> and good deal, thank you. >> and michael finney and reuniting in the nfl. çkededed >>> coming up tonight and at 11:00 there is live team coverage of the closure of the main artery to the golden gate bridge. happens about an hour from now, and already detours causing problems for drivers. >> there is turning bad fat into good. com

stalled vehicle, but that's on the marina boulevard onramp. still there, no problems for the floor, 880 north or south down toward the san mateo bridge. looks like the wind advisory the sign is no longer lit. has you traveling over the bridge, calm conditions here and further north across the golden gate bridge between san francisco and smooth drive for 280. >> thanks so much, mike. >>> still ahead, that secret service scandal. how many women were paid as prostitutes in the colombian hotel room, and how old were they? we'll have information on a live report. >>> a beautiful live look outside. love this one. palace of fine arts in the marina district of san francisco this morning. warmer temperatures as you head out the door. some a creeping in a little early. we'll find out. 5:38 right now. >> i like the sound of that. for the latest news, traffic, and weather, check us out. see what's on your mind.c men nb arbay .eand join in on nbc bay area. >>> welcome back, everybody. yes, a mystic look. feels like gotham city out there. that's san francis