Interstate vs. Turnpike — What's the Difference?

Involving, existing between, or connecting two or more states.

Abbr. Tnpk. or Tpk. A toll road, especially an expressway on which tolls are charged.

One of a national system of expressways connecting major population centers in the United States.

A tollgate.

Of, or relating to two or more states.

A frame consisting of two bars crossing each other at right angles and turning on a post or pin, to hinder the passage of animals, but admitting a person to pass between the arms; a turnstile.

Crossing states (usually provincial state, but also e.g. multinational sense).

A gate or bar set across a road to stop carriages, animals, and sometimes people, until a toll is paid,

(US) A freeway that is part of the Interstate Highway System.

(Scotland) A winding stairway.

Pertaining to the mutual relations of States; existing between, or including, different States; as, interstate commerce.

(military) A beam filled with spikes to obstruct passage; a cheval de frise.

An interstate highway, part of the United States Interstate Highway system.

A toll road, especially a toll expressway.

Involving and relating to the mutual relations of states especially of the US;

(mathematical economics) A trajectory on a finite time interval that satisfies an optimality criterion which is associated with a cost function.

To form (a road, etc.) in the manner of a turnpike road, or into a rounded form, as the path of a road.

A frame consisting of two bars crossing each other at right angles and turning on a post or pin, to hinder the passage of beasts, but admitting a person to pass between the arms; a turnstile. See Turnstile, 1.

A gate or bar set across a road to stop carriages, animals, and sometimes people, till toll is paid for keeping the road in repair; a tollgate.

A turnpike road.

A winding stairway.

A beam filled with spikes to obstruct passage; a cheval-de-frise.

To form, as a road, in the manner of a turnpike road; to throw into a rounded form, as the path of a road.

(from 16th to 19th centuries) gates set across a road to prevent passage until a toll had been paid

An expressway on which tolls are collected