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| Colorado State Highway 391 | |
|---|---|
| State | CO |
| Type | SH |
| Route | 391 |
| Direction a | South |
| Direction b | North |
Colorado State Highway 391
Colorado State Highway 391 is a short state-maintained route in Colorado that serves local and regional traffic by connecting arterial streets and state highways in the Denver metropolitan area. The highway functions as an important connector for commuter routes, freight movements, and access to residential, commercial, and light industrial areas. It interfaces with major state and federal routes, transit corridors, and municipal street grids, influencing travel patterns across multiple jurisdictions.
SH 391 begins at a junction with prominent regional corridors and proceeds northward through urban neighborhoods, intersecting with principal arteries such as Interstate 25, U.S. Route 287, and other state routes serving the Denver metropolitan area and adjacent suburbs. Along its alignment the highway passes near municipal landmarks, including parks, transit facilities served by Regional Transportation District, and institutional sites like campuses and municipal centers. The corridor provides direct connections to rail corridors used by freight operators such as Union Pacific Railroad and commuter corridors linked to RTD A Line and bus rapid transit services. Roadway characteristics vary: segments feature multiple travel lanes, turn lanes, signalized intersections, and bicycle and pedestrian accommodations near National Western Center and mixed-use developments influenced by Transit-oriented development projects. Land use along the route includes residential neighborhoods historically associated with communities such as Denver, light-industrial districts that tie into freight movements to facilities related to Denver International Airport access, and retail nodes anchored by regional shopping centers and commercial strips with ties to chains like Safeway and Walmart. The highway’s proximity to river corridors connects it to drainage and open-space areas managed by agencies including the Colorado Parks and Wildlife and municipal parks departments.
The alignment of SH 391 reflects mid-20th century urban expansion and postwar transportation planning trends that reshaped the Front Range Urban Corridor. Early routing decisions were influenced by state-level programs overseen by the Colorado Department of Transportation and federal initiatives such as the Federal-Aid Highway Act of 1956. Over decades the route experienced incremental upgrades—pavement rehabilitation, signal modernization, and intersection realignments—coordinated with local capital improvement plans from municipalities like Lakewood, Wheat Ridge, and Arvada that border portions of the corridor. Investments corresponded with regional growth driven by employers including Lockheed Martin Space Systems, Ball Corporation, and emerging technology and healthcare campuses, prompting capacity and safety projects. Periodic renumberings and jurisdictional transfers have paralleled statewide efforts to rationalize route inventories and shift responsibility between state and local agencies, practices discussed in planning forums hosted by organizations like the Regional Transportation District and metropolitan planning organizations such as the Denver Regional Council of Governments.
The highway intersects a sequence of important connectors that serve intra- and inter-regional travel. Key junctions include connections to federal and state routes that provide access to Interstate 70, U.S. Route 6, and metropolitan arterials leading toward centers such as Downtown Denver, Golden, and Boulder. Major intersections are signalized and grade-separated in select locations to accommodate high peak-hour volumes and freight movements bound for rail-served industrial parks and distribution centers associated with companies like Amazon and regional logistics operators. Transit hubs near junctions facilitate multimodal transfers linking local bus routes to rail lines operated by Regional Transportation District and private shuttles serving employment centers and the University of Colorado Denver.
Traffic on SH 391 shows a mix of commuter, commercial, and local trip patterns, with peak directional flows corresponding to typical morning and evening rush hours tied to employment concentrations in the Denver metropolitan area and nearby suburban job centers. Traffic monitoring conducted by Colorado Department of Transportation and regional planners records vehicle counts, truck percentages, and safety metrics used to prioritize improvements. Freight percentages increase near industrial nodes and rail interchanges, reflecting last-mile distribution activity for retailers and manufacturers such as Coors Brewing Company and regional suppliers. Safety analyses take into account collision data, pedestrian and bicycle incidents, and corridor-level crash trends compiled by statewide databases and metropolitan safety programs led by entities like the National Highway Traffic Safety Administration.
Maintenance responsibilities for SH 391 are governed by the Colorado Department of Transportation in cooperation with city public works departments in adjacent municipalities. Routine activities include pavement preservation, snow and ice control coordinated with metropolitan operations centers, signal timing optimization in partnership with traffic engineering divisions, and vegetation and drainage management informed by standards from American Association of State Highway and Transportation Officials. Capital projects follow statewide planning documents, with funding drawn from state transportation funds, federal grants authorized under programs like the Infrastructure Investment and Jobs Act, and local contributions from municipal budgets and special districts dedicated to road improvements.
Planned and proposed initiatives for the corridor focus on multimodal enhancements, safety upgrades, and capacity management to address continuing growth across the Front Range. Proposals include corridor studies by the Denver Regional Council of Governments and CDOT to evaluate bus priority measures, bicycle network expansions linked to city bike plans, intersection improvements funded through competitive grant programs, and potential jurisdictional adjustments to align operational responsibilities with municipal priorities. Stakeholder engagement processes involve adjacent cities, business improvement districts, freight operators, and public agencies including Environmental Protection Agency regional offices for air quality considerations tied to transportation projects. Long-range planning scenarios consider interactions with regional transit expansions and land-use changes near employment hubs such as the Denver Tech Center and university campuses.
Category:State highways in Colorado