The Lakes-to-Sea Highway, also known as the "Ship-to-Shore" highway, was an

auto trail The system of auto trails was an informal network of marked routes that existed in the United States and Canada in the early part of the 20th century. Marked with colored bands on utility poles, the trails were intended to help travellers in ...

in the Northeast U.S., running from

Erie, Pennsylvania Erie (; ) is a city on the south shore of Lake Erie and the county seat of Erie County, Pennsylvania, United States. Erie is the fifth largest city in Pennsylvania and the largest city in Northwestern Pennsylvania with a population of 94,831 ...

(on

Lake Erie Lake Erie ( "eerie") is the fourth largest lake by surface area of the five Great Lakes in North America and the eleventh-largest globally. It is the southernmost, shallowest, and smallest by volume of the Great Lakes and therefore also h ...

) southeast via

Harrisburg Harrisburg is the capital city of the Commonwealth of Pennsylvania, United States, and the county seat of Dauphin County. With a population of 50,135 as of the 2021 census, Harrisburg is the 9th largest city and 15th largest municipality in Pe ...

and

Philadelphia Philadelphia, often called Philly, is the List of municipalities in Pennsylvania#Municipalities, largest city in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, the List of United States cities by population, sixth-largest city i ...

to Atlantic City, New Jersey (on the

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

– the "sea"). The highway roughly followed the following present routes: * U.S. Route 19,

Erie Erie (; ) is a city on the south shore of Lake Erie and the county seat of Erie County, Pennsylvania, United States. Erie is the fifth largest city in Pennsylvania and the largest city in Northwestern Pennsylvania with a population of 94,831 a ...

to Meadville * U.S. Route 322, Meadville to West Chester *

Pennsylvania Route 3 Pennsylvania Route 3 (PA 3) is a state highway located in the southeastern portion of Pennsylvania. The route runs from U.S. Route 322 Business (US 322 Bus.) in West Chester east to PA 611 in Philadelphia. The route begins in downtown West C ...

, West Chester to

U.S. Route 30 U.S. Route 30 or U.S. Highway 30 (US 30) is an east–west main route in the system of the United States Numbered Highways, with the highway traveling across the northern tier of the country. With a length of , it is the third longest ...

, Philadelphia to Atlantic City It ran along the

William Penn Highway The William Penn Highway was an auto trail that ran from Pittsburgh in west to New York City in the east. It served as the Pikes Peak Ocean to Ocean Highway west of Reading and as its branch to New York City. The William Penn Highway Association ...

between Water Street and Hershey.1925 map of western Pennsylvania
/ref>

References

{{Roadindex Auto trails in the United States Transportation in Atlantic County, New Jersey Transportation in Camden County, New Jersey Transportation in Pennsylvania U.S. Route 19 U.S. Route 322 U.S. Route 30