// 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.

555// STATE SPOTLIGHTThe Triple Nickel (OH-555)62 miles, 751 turns, four counties — no passes, no guardrails, no shortcuts SWITCHBACK MOTO

The Triple Nickel (OH-555): Ohio's Most Twisted Two-Lane

A rider's guide to Ohio SR-555 — 62 miles, 751 turns, four counties, Amish country, and a repaved surface from Zanesville to Little Hocking.

October 14, 2026Triple Nickel
119// STATE SPOTLIGHTM-119 "Tunnel of Trees"20 miles, no centerline, 135 curves above Lake Michigan SWITCHBACK MOTO

M-119 Tunnel of Trees: Michigan's Centerline-Free Corridor

Ride Michigan's only centerline-free state highway — 20 miles of hardwood canopy, 135 curves, and two famous tight bends from Harbor Springs to Cross Village.

October 9, 2026Tunnel Of Trees
20// STATE SPOTLIGHTNorth Cascades Highway (WA-20)140 miles across two high passes through the North Cascades SWITCHBACK MOTO

North Cascades Highway (WA-20): A Rider's Guide to Washington's High-Pass Crossing

140 miles from Sedro-Woolley to Twisp over two high passes. Everything a rider needs to know before rolling onto WA-20.

October 7, 2026North Cascades Highway
12// STATE SPOTLIGHTUtah Scenic Byway 12123 miles from Bryce to Capitol Reef — canyons, aspens, and the Hogback ridge SWITCHBACK MOTO

Utah Scenic Byway 12: 123 Miles Through the Heart of the Colorado Plateau

A deep-dive rider's guide to Scenic Byway 12 — the All-American Road linking Bryce Canyon to Capitol Reef through slickrock, aspens, and the Hogback.

October 5, 2026Utah Scenic Byway 12
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
16// STATE SPOTLIGHTBack of the Dragon (VA-16)32 miles across three mountain ridges in Southwest Virginia SWITCHBACK MOTO

Back of the Dragon (VA-16): A Rider's Guide to Southwest Virginia's 32-Mile Mountain Route

32 miles, 438 curves, 3,500 ft of elevation change. VA-16 is Virginia's only state-designated motorcycle route — here's how to ride it well.

September 23, 2026Back Of The Dragon
421// STATE SPOTLIGHTThe Snake (US-421)489 curves, two mountain crossings, one valley — 37 miles in northeast Tennessee SWITCHBACK MOTO

The Snake (US-421): Northeast Tennessee's 489-Curve Ridge Crossing

US-421 from Mountain City to Bristol threads 489 curves over the Iron Mountains and Holston Mountain through Cherokee National Forest — 37 miles of sustained ridge riding.

September 22, 2026The Snake Us 421
HC// STATE SPOTLIGHTHells Canyon Scenic Byway218 miles circling the Wallowas, rimming the continent's deepest gorge SWITCHBACK MOTO

Hells Canyon Scenic Byway: Northeast Oregon's 218-Mile Loop

A rider's guide to Oregon's Hells Canyon Scenic Byway — 218 miles circling the Wallowa Mountains beside the deepest river gorge in North America.

August 18, 2026Hells Canyon Scenic Byway
TAL// STATE SPOTLIGHTTalimena Scenic Drive54 miles of open ridgeline through the Ouachita National Forest SWITCHBACK MOTO

Talimena Scenic Drive: Arkansas & Oklahoma's Ridgetop Two-Lane

54 miles of open ridgeline across the Ouachita Mountains. No commercial traffic, 22 overlooks, and sustained views across five states on a clear day.

August 14, 2026Talimena Scenic Drive
FP// STATE SPOTLIGHTFoothills Parkway33 miles of NPS ridge road above the Smoky Mountain foothills SWITCHBACK MOTO

Foothills Parkway: Tennessee's Ridge-Top NPS Drive Through the Smoky Mountain Foothills

A rider's guide to the Foothills Parkway — 33-mi western segment, no commercial traffic, ridge views of the Great Smokies, and a natural link from the Dragon to Pigeon Forge.

August 7, 2026Foothills Parkway