Five estates - including Ang Mo Kio, Bukit Batok West, Tampines, Toa Payoh and West Coast - have been outlined as pilot areas for the initiative.
The residents of Tiong Bahru and Marymount can look forward to more walkways or bus lanes as the LTA plans new modifications to road space.
Second phase of 'Is this your grandfather's road?' campaign sees Grassroots volunteers going around Tiong Bahru to discourage drivers from parking illegally.
MP Indranee Rajah, along with 20 Tiong Bahru residents and volunteers, took to the street on Sunday morning to discourage illegal parking in the estate.