// Field Notes

From the road, and the workshop.

Build updates, the thinking behind the routing engine, and rider-built guides to the roads in the atlas. Written by people who actually ride.

14A// STATE SPOTLIGHTSpearfish Canyon Scenic Byway (US-14A)19 miles of limestone canyon, three waterfalls, Spearfish Creek alongside SWITCHBACK MOTO

Spearfish Canyon Scenic Byway (US-14A): South Dakota's Canyon Road

19 miles of limestone walls, three waterfalls, and Spearfish Creek. A complete rider's guide to US-14A through the Black Hills.

October 2, 2026Spearfish Canyon
16A// STATE SPOTLIGHTIron Mountain Road (US-16A)17 miles of curves, pigtail bridges, and tunnels aimed at Mount Rushmore SWITCHBACK MOTO

Iron Mountain Road (US-16A): The Black Hills Road Built to Frame Mount Rushmore

17 miles, 314 curves, 14 switchbacks, 3 pigtail bridges, 3 Rushmore-framing tunnels. Your complete rider's guide to US-16A in the Black Hills.

September 30, 2026Iron Mountain Road
87// STATE SPOTLIGHTNeedles Highway (SD-87)14 miles of granite tunnels and hairpins through Custer State Park SWITCHBACK MOTO

Needles Highway (SD-87): Riding Through Custer's Granite Spires

A rider's guide to SD-87's 14-mile Needles Highway in Custer State Park — tunnels, switchbacks, history, and how to plan the ride.

September 25, 2026Needles Highway
SD// STATE SPOTLIGHTSturgis & the Black HillsThe legendary roads and stops around the Sturgis rally SWITCHBACK MOTO

Riding Sturgis: Beyond the Rally

A Black Hills ride guide for Sturgis week — the legendary roads, landmarks, and stops around the rally, from Iron Mountain Road to Devils Tower.

July 9, 2026Sturgis
SD// STATE SPOTLIGHTSouth DakotaGranite tunnels, prairie buttes, and 314 curves on one tank SWITCHBACK MOTO

Riding South Dakota: Black Hills Granite, Prairie Badlands, and the Roads Between

A rider's guide to South Dakota's Black Hills — Needles Highway, Iron Mountain Road, Spearfish Canyon, the Badlands, and the Sturgis rally.

June 22, 2026South Dakota