Sightseers cruising along West Picture Rocks Road in Saguaro National Park West might notice the freshly painted median lines, new caution signs and rumble strips that vibrate your car if you veer ...

Some cars announce themselves with a whisper, others with a roar. The 1970 Plymouth Road Runner does both, greeting bystanders first with its trademark “beep-beep" horn and then unleashing the thunder ...

Introduced in 1968 as Plymouth's entry-level muscle car, the Road Runner took off and sold over 80,000 units in 1969. In 1970, however, dropped below the 37,000-example mark. Although not a rare bird ...