
Wikimedia Commons/Seanbarnett
Eisenhower’s Cross-Country Convoy That Built America’s Interstates
In 1919, the U.S. Army sent 81 trucks and 282 men on a wild cross-country test. They crawled from Washington D.C. to San Francisco at just 5.7 miles per hour.
A young Lt. Colonel named Dwight Eisenhower went along “for a lark.” Past Illinois, dirt roads turned to mud pits. In Nebraska, nine trucks got stuck in quicksand for seven hours. The convoy broke 88 bridges and fixed them on the spot.
This 62-day trek stuck with Eisenhower, who later as president built the Interstate Highway System. The Great Platte River Road Archway Monument now tells this story that changed how Americans travel.

Wikimedia Commons/U.S. Army
The Army Hit the Road with 81 Vehicles and a Big Mission
In 1919, the Motor Transport Corps gathered 81 vehicles to see if they could drive across America. They used trucks, cars, ambulances, repair vehicles, and motorcycles.
The team included 282 men – 24 officers and 258 soldiers. They wanted to show America needed better roads for defense.
On July 7, they left the White House in Washington D.C. to start their 3,251-mile trip.

Wikimedia Commons/Internet Archive Book Images
America’s First Coast-to-Coast Road Welcomed the Military Travelers
The convoy joined the Lincoln Highway at Gettysburg, Pennsylvania. This road, built in 1913, was the first to cross America.
Their route went through 11 states heading west. Road quality changed a lot – sometimes smooth pavement, sometimes dirt paths barely wide enough for trucks.
The Lincoln Highway gave them a route to follow, but not always an easy one.

Wikimedia Commons/Caddyshack01
Young Eisenhower Joined the Adventure “For a Lark”
Lieutenant Colonel Dwight D. Eisenhower, only 28 years old, joined as an observer.
He later wrote he went “partly for a lark, and partly to learn. ” Before the trip, Eisenhower worked with the Tank Corps at Camp Meade in Maryland.
The War Department asked him to watch the convoy and report back. This marked America’s first big test of moving military vehicles long distances during peacetime.

Wikimedia Commons/DPLA
Crowds Cheered as Trucks Rolled Through Eastern Towns
The convoy moved at about 15 mph on the better roads through eastern states. People lined streets in towns to watch the military vehicles pass by.
The trip through Pennsylvania and Ohio went smoother than later parts. Planners allowed 60 days to reach San Francisco, hoping to cover about 50 miles daily.
Many towns held parades when the convoy arrived, giving soldiers meals and entertainment.

Wikimedia Commons/US National Archives
Mud Became the Enemy Once They Left Illinois
After Illinois, the convoy hit mostly dirt roads. Rain turned these into deep mud pits that trapped vehicles for hours.
Soldiers often jumped into knee-deep mud to push stuck trucks. Mechanical problems grew in Indiana and Illinois as rough roads damaged engines and axles.
Local farmers helped by using their horses and equipment to pull military trucks from the mud.

Wikimedia Commons/James St. John
Soldiers Battled Quicksand for Seven Hours in Nebraska
The worst challenge came west of North Platte, Nebraska, where the convoy hit a 200-foot stretch of quicksand. Men and machines sank and stayed stuck for over seven hours.
One tractor had to tow nine trucks chained together. Soldiers worked in shifts to build makeshift bridges using nearby materials.
The convoy slowed to less than 5 mph through many parts of Nebraska, falling behind schedule.

Wikimedia Commons/US National Archives
Wooden Bridges Cracked Under Heavy Military Trucks
During the journey, the convoy broke and fixed 88 wooden bridges that couldn’t handle heavy military vehicles. Many rural bridges had never held anything heavier than farm wagons.
Convoy engineers checked bridges ahead of time, and soldiers often rebuilt them before crossing. After passing, they stopped to fix damage they caused.
Most local officials supported the mission despite worries about their bridges.

Wikimedia Commons/Ineuw
Mountain Passes Pushed Vehicles to Their Limits
Wyoming and Utah brought steep mountain roads that tested engines and brakes. Drivers carefully moved large trucks through narrow passes with drop-offs.
The high altitude made engines overheat and lose power, causing frequent stops. Several vehicles slid off mountain roads and needed complex recovery.
The convoy tried to avoid night driving, but sometimes mountain sections took so long they drove dangerous curves in darkness.

Wikimedia Commons/Mamie Doud Eisenhower
Heat and Sand Nearly Stopped the Convoy in Nevada
Nevada hit the convoy with temperatures above 110 degrees. Vehicles struggled through sand dunes and flats with poor traction.
Water became vital for both men and vehicle radiators, which kept overheating. Several trucks broke down completely in Nevada and got left behind.
The convoy tried night travel when possible to avoid daytime heat, but still moved slowly across the desert.

Shutterstock
San Francisco Welcomed Road Warriors After 62 Days
The convoy reached San Francisco on September 6, 1919, after 62 days on the road. They averaged just 5.67 mph across the country.
Records showed 230 road incidents, with 9 vehicles abandoned as total losses.
Large crowds gathered at the Lincoln Highway’s western end to celebrate. The final distance covered was 3,250 miles – just one mile short of their original estimate.

Wikimedia Commons/Federal Highway Administration
The Bumpy Ride That Built America’s Highway System
The 1919 convoy experience stuck with Eisenhower for decades. He saw firsthand how poor roads limited America’s ability to move people and equipment.
Years later during World War II, Eisenhower noticed Germany’s smooth autobahn system and the military advantage it provided.
When he became President in 1956, Eisenhower pushed Congress to pass the Federal-Aid Highway Act.
This created the Interstate Highway System with more than 41,000 miles of modern roads – a direct result of his bumpy cross-country journey 37 years earlier.

Shutterstock
Visiting Great Platte River Road Archway Monument
The Great Platte River Road Archway Monument at 3060 E 1st St in Kearney spans 310 feet over Interstate 80 at Exit 275. Adult admission costs $15 with discounts for seniors and kids.
You’ll take a self-guided audio tour through exhibits about Eisenhower’s 1919 military convoy that tested cross-country roads from Washington D.C. to San Francisco.
His experience with terrible road conditions later inspired the Interstate Highway System. Last tickets sell at 4:30pm daily.
This article was created with AI assistance and human editing.
Read more from this brand: