The high risk was later extended northward in the mid morning.

It was extended northward to its current terminus in the 1940s.

By the middle of 1936, the highway was extended northward to end in Lansing.

By that time also, it had been extended northward to Rose Street.

It was extended northward over part of the former route of the A345.

At the midpoint is a central ridge that extends to the northward.

Iowa 146 has been extended northward at least twice.

In the late 1960s, the station platforms were extended northward at least 150 feet to accommodate for a 600 foot long train.

In 1963, Route 31 was extended northward to its current route.

The route was extended northward along its current alignment in 1936 and has remained unchanged since.