Highway 155 (Glennville to Lake Isabella)
- mapped
- 73.6 mi
- mapped
- motorcycle crashes, 2021–2025
- 23
- motorcycle crashes, 2021–2025
- serious or fatal
- 6
- serious or fatal
- fatal
- 2
- fatal
Is Highway 155 (Glennville to Lake Isabella) safe to ride on a motorcycle?
We don't rate roads as safe or unsafe: crash counts can't say how risky a road is, and popular riding roads have more crashes partly because more people ride them. What the records show: 23 motorcycle crashes were reported along its 73.6 mapped miles from 2021–2025, 6 of them serious or fatal (2 fatal). 70% involved no other vehicle. What to watch for: Tight mountain sections with gravel, snow in winter near the summit, and long stretches without services.
This week's weather
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How riders crash here
70% of crashes here involve only the motorcycle, usually running wide or losing grip in a corner. Enter corners slower, look through the bend, and watch for gravel, sand and diesel.
Common questions about Highway 155 (Glennville to Lake Isabella)
- What is Highway 155 (Glennville to Lake Isabella) like to ride?
- Climbs from the valley through Glennville and over Greenhorn Summit to Lake Isabella.
- How long is Highway 155 (Glennville to Lake Isabella)?
- About 73.6 miles as mapped in OpenStreetMap, for the stretch we cover.
- Is Highway 155 (Glennville to Lake Isabella) open?
- Check Caltrans QuickMap (quickmap.dot.ca.gov) for closures, chain controls and roadwork before you go. Mountain roads close for snow, rockslides and fire, and some sections close every winter.
Other riding roads nearby
Crashes: motorcycle crashes reported within 60 m of the road, 2021–2025, from the California Crash Reporting System (CCRS). Road: © OpenStreetMap contributors. Weather: National Weather Service. Distances to other roads are between their middles, in a straight line. How the data works.