US 34 highlighted in red | ||||
| Route information | ||||
| Maintained byCDOT | ||||
| Length | 259.529 mi[1] (417.671 km) | |||
| Existed | 1972[2]–present | |||
| Major junctions | ||||
| West end | ||||
| Major intersections | ||||
| East end | ||||
| Location | ||||
| Country | United States | |||
| State | Colorado | |||
| Counties | Grand,Larimer,Weld,Morgan,Washington,Yuma | |||
| Highway system | ||||
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U.S. Route 34 (US 34) is a part of theU.S. Highway System that travels fromGranby, Colorado, toBerwyn, Illinois. In theU.S. state ofColorado, US 34 is a 260-mile-long (420 km) road that spans across northern Colorado. It begins atUS 40 inGranby and endsat the Nebraska border, where it continues as US 34, east ofLaird.


The route begins inGranby atUS 40. It then follows theColorado River Valley nearLake Granby and entersArapaho National Recreation Area.[3]
After enteringRocky Mountain National Park in Colorado'sFront Range,[citation needed] US 34 follows theNorth Fork Colorado River throughKawuneeche Valley. It passes overMilner Pass and reaches theAlpine Visitor Center. Then it continues east, passing its highest point at 12,183 feet[4] nearFall River Pass. It exits the park atUS 36 at Deer Ridge Junction.
US 34 here is the highest continuous highway in the United States.[4]
This section of US 34 requires a $30 national park entrance fee, making this segment into a toll road.
From here, it passes byEstes Park, has abusiness route, and then continues east throughBig Thompson Canyon before enteringLoveland as Eisenhower Boulevard, becoming a four-lane expressway. Here, it intersectsI-25 andU.S. Highway 287.
AtGreeley, it passes byU.S. Highway 85 in a complex interchange[2] andU.S. 34 Business, and crosses theSouth Platte River. It also has an interchange withSH 257.[5] From here, it is no longer an expressway. It intersectsSH 144 andSH 39, then joinsI-76 atWiggins. It leaves, and follows theNorth Fork Republican River east into Nebraska, where it intersectsSH 71,SH 52,SH 63,SH 61,SH 59, andU.S. Highway 385.
Parts of the route were originally designated as US 38. US 34 was extended into Colorado in 1939.[2]
| County | Location | mi[1] | km | Destinations | Notes |
|---|---|---|---|---|---|
| Grand | Granby | 0.000 | 0.000 | West end of route | |
| Grand Lake | 14.683 | 23.630 | West Portal Road –Grand Lake andVillage | formerSH 278 | |
| Rocky Mountain National Park | 16.3 | 26.2 | Grand Lake Entrance Station Rocky Mountain National Park entrance fee required | ||
| 25.7 | 41.4 | Colorado River Trailhead Eastbound road closure gate (closed winters) | |||
| Larimer | 49.4 | 79.5 | Many Parks Curve Westbound road closure gate (closed winters) | ||
| 53.758 | 86.515 | ||||
| 55.546 | 89.393 | Old Fall River Road –Endovalley | |||
| 57.686 | 92.837 | Fall River Entrance Station Rocky Mountain National Park entrance fee required | |||
| Estes Park | 60.965 | 98.114 | |||
| 62.081 | 99.910 | MacGregor Avenue –Devils Gulch,Glen Haven | formerSH 262 | ||
| 62.507 | 100.595 | ||||
| Drake | 75.584 | 121.641 | formerSH 262 | ||
| | 85.617 | 137.787 | formerSH 186 | ||
| Loveland | 91.924 | 147.937 | |||
| 92.009 | 148.074 | ||||
| 96.250 | 154.899 | ||||
| Weld | Greeley | 102.476 | 164.919 | Eastbound exit and westbound entrance | |
| 102.804 | 165.447 | ||||
| 111.233 | 179.012 | 23rd Avenue / 27th Street | |||
| 112.772 | 181.489 | West end of US 85 overlap | |||
| 113.136 | 182.075 | East end of US 85 overlap | |||
| | 115.411 | 185.736 | |||
| | 117.251 | 188.697 | formerSH 37 south | ||
| Kersey | 119.178 | 191.798 | formerSH 37 north | ||
| Morgan | | 144.470 | 232.502 | ||
| | 149.164 | 240.056 | |||
| | 149.345 66.288 | 240.347 106.680 | Westbound exit and eastbound entrance; western end of I-76 overlap | ||
| | 73.130 | 117.691 | Long Bridge Road | I-76 exit 73; formerSH 144 | |
| | 75.704 158.794 | 121.834 255.554 | Eastern end of I-76 overlap | ||
| Fort Morgan | 162.962 | 262.262 | |||
| Brush | 172.414 | 277.473 | West end of SH 71 overlap | ||
| | 173.570 | 279.334 | East end of SH 71 overlap | ||
| | 173.852 | 279.788 | |||
| Washington | Akron | 196.336 | 315.972 | ||
| Otis | 209.305 | 336.844 | |||
| Yuma | Yuma | 223.345 | 359.439 | ||
| Wray | 249.931 | 402.225 | |||
| | 259.529 | 417.671 | Nebraska state line | ||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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