Wider roads will lead to increase in traffic, cutting of innumerable trees on the 65 km path, confrontation with wild animals and, above all, increased pollution.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/forests-or-roads
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/deccan-herald
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forests
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/western-ghats
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/deforestation
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/panaji
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/belgaum-d