In Emerson, a divider is present while crossing the Pascack Valley Line in between Ackerman Avenue and Linwood Avenue. In Westwood, it comes to an interchange with CR 502 at Old Hook Road.
The passage describes the presence of dividers or interchanges in two locations: Emerson and Westwood. The divider in Emerson is located on the Pascack Valley Line between Ackerman Avenue and Linwood Avenue. In Westwood, there is a connection to CR 502 at Old Hook Road via an interchange.