Gribblenation

Mauna Kea Access Road is a 14.96 highway corridor located on the Hawaiian Big Island.  The highway begins at Hawaii Route 200 (the Saddle Road) and ascends to 13,780 feet above sea level near the summit of Mauna Kea.  The original 6 miles of Mauna Kea Access Road was constructed during the early 1950s and expanded to the summit observatory facilities by 1976.  As of 2022 the first 6 miles of Mauna Kea Access Road have been designated as the Hawaii Route 210 (which is not field signed).  The remaining portion of the highway north of the Visitor Information Station is accessible to four-wheel drive vehicles and alternates between gravel/asphalt surfaces.   This page is part of the Gribblenation Hawaii Roads series.  A compellation of all Hawaii-related media from both Gribblenation and RoadwayWiz can be found by clicking  here .  Part 1; the history of Mauna Kea Access Road Mauna Kea is a dormant shield volcano located on the Hawaiian Big Islan...

Madera County Road 620 is an approximately six-mile-long rural highway in the Sierra Nevada range north of Oakhurst. The corridor spans from California State Route 41 west to Madera County Road 628. The segment west of Old Yosemite Road alternates between asphalt and dirt surfaces. What is now Madera County Road 620 was originally built as a trail from Bissett's Station at the Fresno-Yosemite Road (now Old Yosemite Road) west to the junction of the Mariposa Road (now Road 628) and the Wawona Stage Road (now Miami Mountain Road). In 1934 Bissett's Station would be bypassed to the east by the then new California State Route 41 which followed Lewis Creek. The Bissett Station trail was extended east to California State Route 41 and improved to facilitate automotive travel. When Madera County dropped road names in favor of a numbering system Bissett's Station Road became Road 620. Part 1; the history of Madera County Road 620 During 1908 Elick and Emma Bissett established ...