- Surface/Category-wise Length of Roads Maintained by Public Work Department (PWD) in Thrissur District of Kerala (As on 31.03.2009)
- Surface-wise Length of Roads Maintained by Public Work Department (PWD) in Thrissur District of Kerala (As on 31.03.2009)
- Surface/Category-wise Length of Roads Maintained by Public Work Department (PWD) in Thrissur District of Kerala (As on 31.03.2008)