trunk line
trunk route

It is the only steel bridge on the main trunk route to Sabarimala.

Some of the closed routes would now be heavily used, possibly even important trunk routes.

Operations should be run by a highly centralized unitary body which would provide services on the trunk routes of the world.

This was accompanied by an increase in frequencies on most of its scheduled European trunk routes.

From 1946 government plans incorporated a new north-south trunk route through Lancashire.

The street is one of trunk routes of the city bus.

Highway 72 was built as a trunk route by 1920, and became a provincial highway in 1937.

Some of the trunk routes were later renumbered due to change in transit policy.

The trunk route does not have to be a satellite.

All distributors lost their numbers, retaining only trunk routes in the system.