Officers patrol highways, parkways, and main thoroughfares throughout the City of New York. The City Beautiful movement inspired Chicago's boulevards and parkways. City planner Robert Moses began his automobile-centered career of building bridges, parkways, and later expressways. Throughout are trees and flower beds in planted medians and parkways. Bassett argued that roads should be classified into three basic types&colon; highways, parkways, and freeways. The Merritt Parkway is one of the oldest scenic parkways in the United States. New York State Police patrol state parks and parkways. The protected gardens, parkways, parks and old graveyards host 110 natural monuments in the city. The north-south parkways and I-95 run parallel to the Thruway through Southern Westchester. In Minneapolis, the Grand Rounds Scenic Byway system has of streets designated as parkways. The three parkways in the Belt Parkway are a combined in length. Milwaukee has over 140 parks with over of parks and parkways. It has interchanges with three of the state's parkways. Moses continued to advocate for new roads and parkways to feed into the bridge. There are of streets, parkways, and avenues in the District.