The first 3 mile (5 km) section is a relatively easy walk designed for senior citizens.

This 3.8 mile section is the oldest part of Chicago's 'L' system.

A four mile section of today's freeway was built between 1933 and 1935 at a cost of $877,000.

The first cut is not expected until July on the initial 2.7 mile section.

Rising costs further limited this to a short 1 mile section.

The twenty mile (32 km) section was destroyed by the hurricane.

This 16 mile section was completed and opened in late 2010.

Horseback riding is allowed on an 11 mile section adjacent to the trail.

Each township was further divided into 36 one-square mile sections.

It shares this 6 mile section with the A701.