Sources said the school education authorities, while talking about safety at schools, only talk about improving the traffic safety. The Chennai city police, which could play a role only in ensuring safe travel of children to school and back, say that they are taking steps to ensure their part. “We do post policemen near schools and make announcements to motorists to be safe while driving near schools. The policemen are posted to ensure children cross roads safely and vehicles do not overspeed near schools,” H M Jayaram, additional commissioner, Chennai North, said.