nowadays, japanese roads are vastly safer, but traffic engineers like saitama university's hisa chi kubota putting up safety signs or painting warningement sawork few days, h but afr th, studies show drivers just ignore them. what drivers can't ignore are road alterations like speed humps which force speeds down to around 20 miles per hour. he said, to ensure drivers slow down, the only sure method is constructing physical infrastructure. advocates concede the real benefit may not be the signs themselves but getting residents jazzed about traffic safety. i'm lucy craft when you humble yourself under the mighty hand of god, in due time he will exalt you. hi, i'm joel osteen. i'm excited about being with you every week. i hope you'll tune in. you'll be inspired, you'll be encouraged. i'm looking forward to seeing you right here.yofulladndlyipped for e ce thadeorou. >>> the countdown has begun to the 2024 summer olympics in paris. and although the opening ceremonies are still about 500 days away, the french have a lot of work ahead of them. tina kraus reports. >> reporter: olympic organizers