From Longman Dictionary of Contemporary Englishon-rampˈon-ramp noun [countable] American English TTRa road for driving onto a freeway SYN slip road British English
Examples from the Corpus
on-ramp• I made it to an on-ramp, the freeway familiar, a kind of homey feeling to the green, white-lettered signs.• These channels act as on-ramps to the Internet or other on-line information services.• Far from complete, the I-way is quickly acquiring new on-ramps and even small highway systems.• Local or access roads, or on-ramps, simplify linkages between businesses, schools, and homes to the communications backbone.• Consumer Access Devices Which consumer devices provide the on-ramps to the transport architectures?• I steered the car up the on-ramp back on to the freeway. 