LaSalle. Cityscape Ouellette Avenue is the historic main commercial street in downtown Windsor. It runs north–south, perpendicular to the Detroit River, and divides the city into east and west sections. Roads that cross Ouellette Avenue include the directional components East and West after their names. Address numbers on east–west roads in Windsor increase by 100 for each block travelled away from Ouellette Avenue and address numbers on north–south roads increase by 100 for each block travelled away from the Detroit River. In areas where the river curves, some numbers on north–south roads are skipped. For consistency across the city, all address numbers on north–south roads reset at either 600, for streets west of Walker Road, or 800 for those to the east, where the road crosses Wyandotte Street (which roughly parallels the Detroit River). Windsor's Department of Parks and Recreation maintains of green space, 180 parks, of trails, of sidewalks, 60 parking lots, vacant lands, natural areas and forest cover within the city of Windsor. The largest park is Mic Mac Park, which can accommodate many different activities, including baseball, soccer, biking, and sledding. Windsor has numerous bike trails, the largest being the Ganatchio Trail on the far east side of the city. In recent years, city council has pushed for the addition of bicycle lanes on city streets to provide links throughout the existing trail network. The Windsor trail network is linked to the LaSalle Trail in the west end, and is to eventually be linked to the Chrysler Canada Greenway (part of the Trans Canada Trail). The current greenway is a former railway corridor that has been converted into a multi-use recreational trail, underground utility corridor and natural green space. It begins south of Oldcastle and continues south through McGregor, Harrow, Kingsville, and Ruthven. The Greenway is a fine trail for hiking, biking, running, birding, cross country skiing and, in some areas, horseback riding. It connects natural areas, rich agricultural lands, historically and architecturally significant structures, and award-winning wineries. A separate landscaped trail traverses the riverfront between downtown and the Ambassador Bridge. Part of this trail winds through Windsor Sculpture Park displaying various modern and post-modern sculptures. Families of elephants (see picture), penguins, horses, and many other themed sculptures are found in the park. Economy Windsor's economy is primarily based on manufacturing, tourism, education, and government services. The city is one of Canada's major automobile manufacturing centres and