 The road turns north and passes over the Whippany River and crosses the Morristown and Erie Railway's Whippany Line at-grade before intersecting CR 622 Alternate and coming to an interchange with Route 10.Past this interchange, the road runs through wooded neighborhoods before entering Parsippany-Troy Hills.At this point, CR 511 widens to four lanes and passes business parks, briefly widening into a divided highway.