Polasetiki ea solar road stud, e tsejoang hape e le lets'oao la tsela ea letsatsi kapa lets'oao la tsela ea letsatsi, ke sesebelisoa se sebelisetsoang ho ntlafatsa ponahalo le polokeho ea 'mila, haholo nakong ea bosiu kapa maemong a khanya e tlase. Hangata e kenngoa holim'a litsela, litselana, kapa litselaneng tsa libaesekele ho fana ka tataiso le temoso ho bakhanni le ba tsamaeang ka maoto. Ho fapana le li-studs tse tloaelehileng tsa 'mila, lithupa tsa litsela tsa letsatsi li kenyelletsa liphanele tsa letsatsi le mabone a LED ho ntlafatsa ponahalo.