While most toll expressways in Malaysia use green signboards with white letters as if they are municipal expressways .
White letters are the MetaCorp expressway networks ( East -- West Link Expressway and Kuala Lumpur -- Seremban Expressway ) E37 use blue signboards instead .
While most toll expressways in Malaysia use green signboards with white letters , the MetaCorp expressway networks ( East -- West Link Expressway and Kuala Lumpur -- Seremban Expressway ) E37 use blue signboards instead , as if they are municipal expressways .