Interstate 35W

Interstate 35W may refer to:
 * Interstate 35W (Texas), an 85 mi Interstate highway serving Fort Worth, Texas, and its suburbs
 * Interstate 35W (Minnesota), a 42 mi Interstate highway serving Minneapolis, Minnesota, and its suburbs
 * The I-35W Mississippi River bridge in Minneapolis, which collapsed on August 1, 2007
 * The I-35W Saint Anthony Falls Bridge, its replacement
 * Interstate 135 in Kansas, which was designated as Interstate 35W until 1976