1800 to 1942 thumb|This 1895 map of Albany shows the gridded block system as it expanded around the former turnpikes.|alt=A yellowed map of the city showing streets, the Hudson River, and municipal boundaries; Albany is shaded to distinguish from neighboring towns.
1800 to 1942 thumb|This 1895, map of Albany shows the gridded block system as it expanded around the former turnpikes.|alt=A yellowed map of the city showing streets, the Hudson River and municipal boundaries; Albany is shaded to distinguish from neighboring towns.