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In the 1950s, a Michigan Turnpike was proposed as a tolled, controlled-access highway in the Lower Peninsula. After passage of the Federal Highway Act of 1956, this turnpike proposal was shelved as a free Interstate Highway was planned. Construction started in 1957, signs went up in 1959, and I-75 was completed in 1973.
During the 1940s, the first freeways were built in Michigan. With the introduction of the Interstate Highway system in the 1950s, the state aborted an effort to build the Michigan Turnpike, a tolled freeway in the southeast corner of the LP. Construction on Michigan's Interstates started in the latter part of that decade and continued until 1992.
MDOT is the agency responsible for the day-to-day maintenance and operations of the State Trunkline Highway System, which includes the Interstate Highways in Michigan.. These highways are built to Interstate Highway standards, [6] meaning they are all freeways with minimum requirements for full control of access, design speeds of 50 to 70 miles per hour (80 to 113 km/h) depending on type of ...
However, when the initial numbers were assigned later that year, they were drawn on a 1947 map, and so the corridor across Northern Pennsylvania became part of I-84, while the Scranton–New York route became I-82. I-80 ran along the Pennsylvania Turnpike to Harrisburg, where it split into I-80S to Philadelphia and I-80N to New York. [3]
Interstate 75 (I-75) is a major north–south Interstate Highway in the Great Lakes and Southeastern regions of the United States.As with most Interstates that end in 5, it is a major cross-country, north–south route, traveling from State Road 826 (SR 826, Palmetto Expressway) and SR 924 (Gratigny Parkway) on the Hialeah–Miami Lakes border (northwest of Miami, Florida) to Sault Ste. Marie ...
The Pennsylvania Turnpike, sometimes shortened to Penna Turnpike or PA Turnpike, is a controlled-access toll road which is operated by the Pennsylvania Turnpike Commission (PTC) in Pennsylvania. It runs for 360 miles (580 km) across the southern part of the state, connecting Pittsburgh and Philadelphia , and passes through four tunnels as it ...
Westbound Highway 50 on-ramp will be closed at Jefferson Boulevard and Tower Bridge Gateway from 9 p.m. to 5 a.m. Westbound Highway 50 on-ramp at Fifth and W Street will close between 10 p.m. and ...
On July 1, 1919, M-80 existed as a highway in the Lower Peninsula connecting Adrian with Somerset. [8] The highway was included in the route of US Highway 127 in 1926. The M-80 designation was then shifted to a section of highway that was previously part of M-18 near Beaverton [9] The M-80 designation was decommissioned in 1939 when the roadway was transferred back to local control.