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Prepositions with nouns

“On route” or “of route”?

Use on the route for position along a route. Of route is not a standard fixed expression. English also commonly uses en route for travelling.

Quick answer

Which expression is correct with route?

Use on the route or along the route for location on a path or journey. Use en route for travelling toward a destination. Of route is not a normal English combination except inside larger noun phrases such as the length of the route.

Several villages lie on the route to the capital.
We stopped for fuel while en route to Madrid.
They changed the direction of the route after the storm.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
on + route

Location along a route

Use on the route for places or events situated along a route.

There are many cafés on the route.
Heavy traffic delayed buses on this route.
2
en route

Travelling toward a destination

En route is a fixed expression meaning on the way.

The package was damaged en route to Berlin.
We called home while en route to the airport.
3
of + route

Part of a larger noun phrase

Of the route describes relationship with a specific route.

The final section of the route is steep.
They reviewed the map of the route before leaving.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
on the route
The museum is on the route to the station.
located along the path
en route
She fell asleep en route to Paris.
travelling toward somewhere
of the route
The length of the route is 20 kilometres.
connected with the route
of route
Of route alone is not standard English.
normally needs an article or another noun

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using of route alone

Use of the route or another standard structure.

✕ We changed the map of route. ✓ We changed the map of the route.

Omitting the article after on

Route usually needs an article or determiner.

✕ There is a hotel on route. ✓ There is a hotel on the route.

Quick practice

Choose the expression that matches the intended meaning.

1. Several towns are located ___ the route.
2. They stopped for lunch while ___ to Rome.
3. The final section ___ the route was difficult.

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Frequently asked questions

Is on route correct?

On the route is standard for location along a route. In some varieties of English, on route may appear informally, but en route is more widely accepted for travel.

What does en route mean?

It means on the way to a destination.

Is of route grammatical?

Not usually by itself. English normally uses of the route in a larger phrase.

of, about, against, to or for racism? of, about, for, in or on friendship? of, about, for, on or to thing? of, about, for, to or with sex? of, about, on, to or for moon? "of access" or "with access"? "of accommodation" or "for accommodation"? "of accuracy" or "for accuracy"? "of action" or "in action"? "of actor", "with actor" or "by actor"? "of address" or "to address"? "of administration" or "in administration"?

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