We collect money for local schools that serve handicapped kids, primarily retarded though we are not allowed to say that word anymore. Traffic work is only one method. Hereabouts we collect in front of several high traffic businesses like WalMart and some grocery stores. The stores are moving to eliminate charitable collections so we have to find a better way to do it.
Try tis method the local Catholic Church school uses very successful:
https://saintmaryschool.net/spring-fling-2017