Highway 688 is a highway

Highway

A highway is any public road. In American English, the term is common and almost always designates major roads. In British English, the term designates any road open to the public. Any interconnected set of highways can be variously referred to as a "highway system", a "highway network", or a...

 in the Canadian

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 province of Saskatchewan

Saskatchewan

Saskatchewan is a prairie province in Canada, which has an area of . Saskatchewan is bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, and on the south by the U.S. states of Montana and North Dakota....

. It runs from Township Road 472, Alberta across the Alberta-Saskatchewan border traveling west. The highway turns from westerly to northerly at Lone Rock

Lone Rock, Saskatchewan

Lone Rock is a hamlet in the Canadian province of Saskatchewan. Listed as a designated place by Statistics Canada, the hamlet had a population of 83 in the Canada 2006 Census....

 intersects Highway 16

Saskatchewan Highway 16

Highway 16 is a provincial paved highway in the Canadian province of Saskatchewan. It is the Saskatchewan section of the Yellowhead Highway, and also the Trans-Canada Highway Yellowhead section. The main purpose of this highway is to connect Saskatchewan with Canadian cities such as Edmonton and...

. Highway 688 continues to a northern terminus at Saskatchewan Highway 303

Saskatchewan Highway 303

Highway 303 is a highway in the Canadian province of Saskatchewan. It runs from Highway 16 to Highway 26 near Turtleford. Highway 303 is about 83 km long....

 is about 21.2 miles (34.1 km) long. There is a second Saskatchewan Highway 688 according to both Google Maps and Microsoft Streets and Tips which extends in a northerly direction 4.5 miles (7.2 km) south of Marshall, Saskatchewan

Marshall, Saskatchewan

Marshall is a town in Saskatchewan, Canada. It was the home of NHL goaltender Braden Holtby and Author Micheal Horgan.-Demographics:-External links:...

, the northern terminus at Highway 16, the Yellowhead Trans-Canada.

Saskatchewan Highway 16

Highway 16 is a provincial paved highway in the Canadian province of Saskatchewan. It is the Saskatchewan section of the Yellowhead Highway, and also the Trans-Canada Highway Yellowhead section. The main purpose of this highway is to connect Saskatchewan with Canadian cities such as Edmonton and...