Railway stations color-copy photographed signs at construction sites. As the format of signs remain familiar, the solution seems much more friendly than a simple handwritten signs.
Iidabashi Station, Oedo Line. Similar solutions can be found at Tokyo stations, JR.
Recently, we had an opportunity to try out a coin locker in Harajuku station, which uses your mobile phone number as a means of identification. By dialing to the phone number displayed on the screen, the system records your number and locks and unlocks a box of your choice.
There's no explanation required, a time table accompanied by a clock.
At Wakamatsu-Kawada station, Oedo Line.
