One step is the installation of retro-reflective display boards giving names of roads and directions to landmarks
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/initiatives-make-city-tourist-friendly
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-chennai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chennai-t
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tourism
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tiruchirapalli-t
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/madurai-d
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/malaysia
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/singapore
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/roads