Longman Dictionary of Contemporary English
on-ramp
noun
COLLOCATIONS FROM OTHER ENTRIES
off-/on-ramp
▪ They missed the off-ramp to Manhattan.
EXAMPLES FROM CORPUS
▪ Consumer Access Devices Which consumer devices provide the on-ramps to the transport architectures?
▪ Far from complete, the I-way is quickly acquiring new on-ramps and even small highway systems.
▪ I made it to an on-ramp, the freeway familiar, a kind of homey feeling to the green, white-lettered signs.
▪ I steered the car up the on-ramp back on to the freeway.
▪ Local or access roads, or on-ramps, simplify linkages between businesses, schools, and homes to the communications backbone.
▪ These channels act as on-ramps to the Internet or other on-line information services.
Wiktionary
on-ramp
alt. A segment of roadway that directs vehicular traffic from ordinary roads onto a freeway n. A segment of roadway that directs vehicular traffic from ordinary roads onto a freeway
Usage examples of "on-ramp".
Up on one of the highways I see a sign pointing the way to Pacifica, so I brave the on-ramp and actually put some pressure on the accelerator pedal.
On a slipcovered couch under a highway on-ramp, he killed her, very quietly.
The hippos painted on the columns that line the store along E Burnside Street were done by street artist Andy Olive, who still lives under the freeway on-ramp to Interstate 84 off NE Sixteenth Avenue.