What does the different color curbs (like red, yellow, green, blue and white) indicates?
Red curbs indicate no stopping, standing or parking except that a bus may stop in a red curb. Yellow curbs indicate stopping only for the purposes of loading and unloading freight for the time as indicated by signs. Green curbs indicate short term parking as indicated by sign, not exceeding 30 minutes. Blue curbs indicate parking limited exclusively to the vehicles of disabled persons. White curb indicates loading or unloading of passengers for the time specified by signs.