Library

Studies

2009 Disparity Study and Appendices
D. Wilson Consulting Group conducted a study to determine whether a disparity exists for minority and women owned disadvantaged business enterprises (M/W/DBEs) working on Colorado Department of Transportation (CDOT) federally funded construction and design projects. A disparity exists when there are more available M/W/DBEs ready, willing and able to conduct work on CDOT projects than are utilized. The study included six years of procurement activity from January 2002 through December 2007.
I-25 and Arapahoe Road/SH 88 Interchange Environmental Assessment & FONSI
August 2012 - This Environmental Assessment (EA) was prepared under requirements of the National Environmental Policy Act (NEPA) to determine if the Action Alternative could have significant impacts on the human environment. February 2013 - This Finding of No Significant Impact (FONSI) was prepared under requirements of the National Environmental Policy Act (NEPA). Also included, Final System Level Feasibility Study from June 2008. Keywords: Studies, Interstates
I-25, Colorado Springs to Monument Environmental Assessment
March 2004 - Draft Section 4(f) Evaluation - Environmental Assessment on I-25 Improvements through the Colorado Springs Urbanized Area. Keywords: Studies, Interstates
I-25 Colorado Springs Area Finding of No Significant Impact (FONSI)
September 2004 - Includes Final 4(f) Evaluation - I-25 Improvements through the Colorado Springs Urbanized Area
South I-25 Corridor and US 85 Corridor FEIS & ROD
2002 South I-25 Corridor and US 85 Corridor Final Environmental Impact Statement (FEIS) and Record of Decision (ROD) Keywords: Studies, Interstates, US Highways
I-25 Through Pueblo - New Pueblo Freeway EIS and ROD
April 2014 - The Final Environmental Impact Statement (EIS) for the New Pueblo Freeway details the Preferred Alternative and project phasing for the reconfiguration and redesign of I-25 through Pueblo. The purpose of the Record of Decision (ROD) is to document the FHWA’s decision on the New Pueblo Freeway Project. Keywords: Studies, Interstates
I-25 Valley Highway Environmental Impact Statement (EIS) and ROD
November 2006 - The Final Environmental Impact Statement (EIS) for the Valley Highway Project details the Preferred Alternative and project phasing for the reconfiguration and redesign of I-25 between Logan and US 6 (6th Avenue) and elements of US 6 from I-25 to Federal Boulevard. The purpose of the Record of Decision (ROD) is to document the FHWA’s decision on the I-25 Valley Highway Project. Keywords: Studies, Interstates
I-70/32nd Avenue Interchange Environmental Assessment
October 2006 - The City of Wheat Ridge identified the area southwest of the Interstate 70 / State Highway 58 (I-70/SH 58) interchange as an urban growth area with potential office, commercial, and retail land use to begin development in the next several years (City of Wheat Ridge 2005). Land use in the area southwest of the I-70/SH 58 interchange is changing from previous aggregate mining to retail and commercial use, as identified in the City of Wheat Ridge Comprehensive Plan (City of Wheat Ridge 1999, as amended in 2005). The proposed change in land use, in conjunction with regional growth, will affect traffic operations at this interchange and on the local arterial streets in the vicinity of the interchange. Keywords: Studies, Interstates, Environmental Assessment, EA
File PDF document I-70 Mountain Corridor Mobility and Operational Assessment
August 2011 - 12 MB - This report summarizes results of a week-long workshop focused on improving traffic operations and mobility on the I-70 Mountain Corridor through potential low cost and no cost solutions.
File PDF document I-70 Mountain Corridor Short Term Mobility Solutions Report
December 20, 2011
I-70 Reversible Lane Study
Gerogetown to Floyd Hill - Phase 1 Feasibility Study - August 10, 2010 -The Colorado Department of Transportation (CDOT) is considering a reversible (zipper) lane on I-70 west of Denver to manage congestion during peak times on winter Sundays. The current strategy under consideration calls for an eastbound reversible lane to begin west of Empire Junction (approximately Milepost 230.5) and for the lane to terminate at the base of Floyd Hill (Milepost 244.0).
I-70 Reversible (Zipper) Lane Study Phase II
December 2012 - This Phase II I-70 Reversible Lane Feasibility Study report provides information on the benefits and risks associated with Reversible Lane implementation along the I-70 Mountain Corridor. This document builds on the information provided in the Phase I analysis and discusses the trade-offs that must be considered prior to implementation.
I-70 Twin Tunnels Environmental Assessment
The Federal Highway Administration (FHWA) and the Colorado Department of Transportation (CDOT) have prepared this Environmental Assessment (EA) documenting analysis under the National Environmental Policy Act for the Twin Tunnels project. The purpose of the project is to improve eastbound highway safety and mobility in the Twin Tunnels area of Interstate 70 (I-70) in Idaho Springs and Clear Creek County, Colorado. FONSI included.
I-70 B West Study
The Colorado Department of Transportation (CDOT) and the Federal Highway Administration (FHWA) in coordination with the City of Grand Junction, Mesa County, and the Regional Transportation Planning Office (RTPO) are considering improvements to the I-70B Corridor in Grand Junction, Colorado. The I-70B West study corridor is approximately four miles in length and extends from 24 Road on the west to 15th Street on the east. Keywords: Studies, Interstates
I-76 and Bridge Street Environmental Assessment (EA) and Finding of No Significant Impact (FONSI)
The proposed I-76 and Bridge Street Interchange Project is located in Brighton, Colorado, in Adams County. The City of Brighton proposes to construct an interchange at I-76 and Bridge Street on the eastern side of the city. The proposed interchange would provide an opportunity to increase regional east-west connectivity across State Highway 7. This regional connectivity will become increasingly important with future population growth and increased travel demand. Keywords: Studies, Interstates
US 6 Clifton Access Control Plan
Region 3 of the Colorado Department of Transportation (CDOT) and Mesa County have identified a need to improve future traffic operations on US 6 between the I-70 Business Loop and the railroad viaduct east of 33 Road by developing an access management plan (AMP) . This ACP evaluated the portion of the US 6 corridor located from the Interstate 70 (I-70) Business Loop to the viaduct over the Union Pacific Railroad east of 33 Road. Keywords: Studies, US Highways, Access Control Plan
US 6 Clifton Transportation Study
US 6 - 24 Road to SH 139 Access Control Plan
The US 6 West/SH 139 Access Plan will assess the existing and proposed intersections and driveways along the section of US 6 between the Redlands Parkway and 12 Road and on SH 139 between N 1/4 Road and I-70 and, if appropriate, make recommendations for changes.
US 6/River Front Road Access Control Plan in Silt
US 6 and the River Frontage Road are important resources for the community of Silt. Traffic volumes on US 6 and the River Frontage Road are projected to significantly increase in the future. One of the best ways to keep the roadways safe and efficient is to manage the location and design of intersections and driveways (access points).
US 24 West Environmental Assessment
The Colorado Department of Transportation (CDOT) and the Federal Highway Administration (FHWA) assembled a team to study short- and long-term strategies to address capacity issues on the US 24 West corridor from Manitou Springs to I-25. The team consists of CDOT, FHWA, and the consulting firms of CH2M HILL and Wilson & Company.
US 34 Planning and Environmental Linkages (PEL) Study
The project will provide for a Planning and Environmental Linkages Study on US 34 from Glade Road west of Loveland to CR 49 east of Greeley. Over the last 10 – 15 years, various studies have been performed throughout this corridor, including an Access Control Plan along US 34 from CR 3 to US 85, an Environmental Assessment along US 34 in Loveland from US 287 east to CR 3 along with other studies. One of the goals of this project is to update and consolidate these studies. \\ Keywords: Studies, US Highways
US 34, US 287 to Larimer County Rd. 3 EA and FONSI
April 2007 - Environmental Assessment (EA) - The purpose of the proposed project is to provide an improved transportation facility between US 287 and LCR 3 that would meet the following needs: Improve current and future traffic mobility, Improve transportation safety, and Accommodate 2030 travel demand. July 2007 - Finding of No Significant Impact (FONSI) - This project encompasses approximately 6 miles of US 34 (also known as Eisenhower Boulevard) in Loveland, Colorado. The project corridor extends between a western terminus at US 287 (North Lincoln Avenue and North Cleveland Avenue one-way pair) and an eastern terminus of Larimer County Road 3 (LCR 3), 1.5 miles east of the I-25 interchange. Keywords: Studies, US Highways, Active Construction
US 36 Managed Lanes - Investment Grade Traffic and Revenue Study
The US 36 Corridor considered in this investment grade traffic and revenue study, is an existing highway alignment between I-25 in Adams County and Foothills Parkway/Table Mesa Drive in Boulder, a distance of approximately 18 miles.
US 40 Section 4(f) Evaluation
January 2016 - Keywords: Studies, US Highways
US 50 Access Control Plan
US 50 is an important resource for the communities of Colorado's Western Slope. Traffic volumes on US 50 are projected to significantly increase in the future. One of the best ways to keep the highway safe and efficient is to manage the location and design of intersections and driveways (access points). This ACP evaluated the portion of the US 50 corridor located just west of Grand Mesa Avenue to SH 141A in Whitewater. Keywords: Studies, US Highways, Access Control Plan
US 50 West PEL Study
The Planning and Environmental Linkages (PEL) Study conducted on US 50 between Swallows Road and Baltimore Avenue in Pueblo County released in June 2012. Keywords: Studies, US Highways
US 50 West Wills Blvd to McCulloch Blvd EA
Keywords: Studies, US Highways
US 287 at Lamar Environmental Assessment and FONSI
The Federal Highway Administration (FHWA), in cooperation with the Colorado Department of Transportation (CDOT), has prepared this Environmental Assessment (EA) and Finding of No Significant Impact (FONSI) to identify and assess a new alignment for U.S. Highway (U.S.) 287 and U.S. 50 through the City of Lamar, Colorado in Prowers County. Keywords: Studies, US Highways
US 287 Loveland to Fort Collins Environmental Overview Study (EOS)
January 2007 - The Colorado Department of Transportation (CDOT) developed and initiated the Environmental Overview Study (EOS) process. The EOS process is structured to provide a basis for long-term roadway improvements and to provide support for local planning decisions while considering environmental resources decisions. While no funds are currently programmed for construction, the intended outcome of the process is the preservation of a corridor for future transportation improvements. Through this process, future improvements to the Colorado highway system can be integrated with other local and regional transportation plans resulting in a proactive, environmentally sensitive transportation vision within the North Front Range. Keywords: Studies, US Highways, Active Construction
US 287 from CO 1 to the LaPorte Bypass EA and FONSI
September 2004 - Environmental Assessment (EA) - The Federal Highway Administration (FHWA) in conjunction with the Colorado Department of Transportation (CDOT) has been conducting studies to investigate alternatives that would improve mobility (travel conditions) and safety on the stretch of approximately 2 miles of US 287 between SH 1 and the LaPorte Bypass intersection east of the town of LaPorte, mileposts (MP) 348.50 and 350.35. June 2006 - Finding of No Significant Impact (FONSI) - This document contains a FONSI and selects Preferred Alternative A4 with Reduced Footprint based on the analyses and results in the attached EA. Keywords: Studies, US Highways, Active Construction
File PDF document US 385 High Plains Corridor
Development and Management Plan - The High Plains Highway is a 222-mile corridor that begins near Kit Carson and ends at I-80 in Nebraska. It was identified as a corridor connector in the Eastern Colorado Mobility Study. The High Plains Highway Corridor Coalition (HPHC) – a formal association of towns and counties along the corridor - asked the Colorado Department of Transportation (CDOT) to assist the member communities in developing a plan for the corridor to anticipate and prioritize future corridor transportation needs. Keywords: Studies, US Highways
SH 7, Cherryvale to 75th Street EA & FONSI
Environmental Assessment (EA) May 2008 - This Environmental Assessment (EA) evaluates the environmental, social, and economic impact of the proposed action for State Highway (SH) 7 between Cherryvale Road and 75th Street (approximately 2.2 miles). For this study, the lead federal agency is the Federal Highway Administration (FHWA) and the Colorado Department of Transportation (CDOT) is the applicant. This EA evaluates the impacts of the Preferred Alternative. This is compared against the No-Action Alternative. Finding of No Significant Impact (FONSI) October 2008 - SH 7 is a principal east-west arterial roadway serving as a commuter and intra-regional facility (see Figure 1-1 and Figure 1-2). To comply with the National Environmental Policy Act (NEPA), an Environmental Assessment (EA) was conducted to evaluate the reasonable alternatives that address the purpose and need for the project and assesses the impacts of implementing the proposed improvements. Two alternatives, the No-Action Alternative and the Preferred Alternative (build alternative) were evaluated in the EA. The build alternative was identified as the Preferred Alternative. Keywords: Studies, State Highways
File SH 42 Planning and Environmental Linkage Study (PEL)
The 42 Gateway Project is an infrastructure improvement study that seeks to influence the form, function, character, and accessibility of the Highway 42 Revitalization Area and Downtown Louisville. The Project was a joint effort between the City of Louisville (the City), Boulder County, the Regional Transportation District (RTD) and the Colorado Department of Transportation (CDOT). Keywords: Studies, State Highways, PEL
File PDF document 56th Avenue, Quebec St. to Havana St. Environmental Assessment
This Environmental Assessment (EA) identifies and evaluates the impacts of proposed multi-modal transportation improvements on 56th Avenue between Quebec Street and Havana Street in Denver, Colorado. The purpose of the proposed improvements is to meet forecast mobility and accessibility needs for users of all modes (including pedestrians, bicyclists, cars, buses, and trucks) on the existing 56th Avenue alignment. Keywords: Studies, State Highways
File PDF document SH 60 Access Control Plan
Access control plan was conducted in coordination with the SH 60 Environmental Overview Study. Keywords: Studies, State Highways, Access Control Plan
File PDF document SH 60 Environmental Overview Study
The Colorado Department of Transportation (CDOT), Region 4, initiated an Environmental Overview Study (EOS) to evaluate the transportation needs along State Highway 60 (SH 60) from I-25 to Two Rivers Parkway in Weld County. Keywords: Studies, State Highways
SH 79 and Kiowa-Bennett Corridor Planning and Environmental Linkage Study
The Town of Bennett, in partnership with Adams and Arapahoe Counties and the Colorado Department of Transportation, recently completed a detailed transportation study of the State Highway (SH) 79 and Kiowa-Bennett Road corridors around the Bennett area, north and south of I-70. Keywords: Studies, State Highways, PEL
File SH 83/86 Corridor Optimization Plan
September 2004 - The Corridor Optimization process was created to develop specific corridor visions which are consistent and compatible with local plans and are supported by affected local governments and regional agencies. Officially adopted by the Colorado Department of Transportation in 2001, the Corridor Optimization Guidelines were developed to provide input to the regional transportation planning process by providing an assessment of how to best meet future travel demands on a given corridor. 213MB Keywords: Studies, State Highways
SH 88/Federal Boulevard Environmental Assessment and FONSI
2007 - The Federal Highway Administration (FHWA), in cooperation with the Colorado Department of Transportation (CDOT) and the City and County of Denver (CCD), is proposing to add a third northbound lane and a raised median, along with other improvements, to Federal Boulevard between Alameda Avenue and the 6th Avenue eastbound on-ramp.
SH 133 Carbondale Access Control Plan
The SH 133 Carbondale Access Control Plan will assess the existing and proposed access points along SH 133 within the study area and make recommendations for future changes if appropriate.
CO 392 Environmental Overview Study (EOS)
The desired outcome of the EOS is to identify a transportation solution that has the support of local and regional planning partners, and which identifies ROW that must be preserved for those improvements. This plan would then be used by planners to set aside ROW as development occurs along the corridor. The CO 392 EOS study limits are from CO 287 on the west to Weld County Road (WCR) 23 on the east. Keywords: Studies, State Highways, Active Construction
CO 392 Access Control Plan
October 2006 - Recent and continued growth in along Interstate (I) 25, State Highway (SH) 392, and within the local communities that make up the North Front Range, has resulted in an increase in traffic on the SH 392 corridor. Traffic volumes in the area are expected to at least double in the next 20 years. Without changes to the corridor, this increase in traffic volumes will result in increased delay, higher levels of congestion, and an increase in the severity and number of accidents. The Colorado Department of Transportation (CDOT) has identified the need for an Access Control Plan (ACP) on this corridor to minimize the occurrence of these conditions. Keywords: Studies, State Highways, Access Control Plan, Active Construction
SH 402 EA and FONSI
Environmental Assessment (EA) - July 2007 and Finding of No Significant Impact (FONSI) - January 2008- encompasses the 4-mile length of SH 402 although improvements are not needed for the area between SH 287 and CR 13C (St. Louis Avenue), which was widened by developers in coordination with the city of Loveland and the Colorado Department of Transportation (CDOT) under a Categorical Exclusion (CE). Keywords: Studies, State Highways, Active Construction
2015 C-470 Environmental Assessment & FONSI
C-470 Corridor: Kipling Parkway to I-25
City of Glenwood Springs South Bridge EA
The City of Glenwood Springs, with the Colorado Department of Transportation (CDOT), Federal Highway Administration (FHWA) and Garfield County conducted the Environmental Assessment. The purpose of the South Bridge project is to identify a critical second route between SH 82 and the west side of the Roaring Fork River in the southern portion of Glenwood Springs. This second route responds to the previous Congressional earmark for the Glenwood Springs, South Bridge (new, off-system bridge), Public Law 109-59, 109th Congress. The project will respond to identified transportation needs, such as lack of emergency vehicle access route redundancy and increasing mobility issues along the current primary access route (Midland Avenue) caused by increased growth in the area. Keywords: Studies, Non-Highways
File Denver Area Regional Bus Facility Study
September 30, 2015 - Prepared for Greyhound Lines, Inc. and the Colorado Department of Transportation - Greyhound Lines, Inc. (Greyhound) requested funding from the Colorado Department of Transportation (CDOT) to conduct a study to assess the need for a regional bus facility to meet the needs of the passengers on services that are not included in the new Denver Union Station (DUS) bus concourse.
File PDF document Devolution Study Report
This Devolution Study Report provides information and data pertaining to “commuter highways” within Colorado’s five Metro Planning Organizations (MPOs), per the requirements of CRS 43-2-101.5. For purposes of this report, Devolution is defined as the transference of a highway or segment of highway from state ownership and control to local government ownership and control.
File PDF document Eastern Colorado Mobility Study
April 2002 - The Eastern Colorado Mobility Study was undertaken to assist the Transportation Commission of Colorado in making investment decisions regarding infrastructure improvements to enhance freight mobility in a large part of the state. The study area includes all of eastern Colorado, extending to the I-25 corridor on the west and Colorado’s borders on the north, east and south. Keywords: Studies, Non-Highways, Active Construction
Northwest Corridor EIS
Northwest Corridor Transportation and Environmental Planning Study - July 2008 - In 2003, the Federal Highway Administration (FHWA), in cooperation with the Colorado Department of Transportation (CDOT), initiated a National Environmental Policy Act (NEPA) process to study the need, merits, and possible impacts of potential transportation improvements in the Northwest Corridor of the Denver metropolitan area. The Notice of Intent to prepare an Environmental Impact Statement (EIS) appeared in the Federal Register dated July 21, 2003, and identified the proposed action as: “an improved connection between the western terminus of the Northwest Parkway in Broomfield County and the SH 58, I-70, or C-470 freeway systems to the south in Jefferson County. This connection is considered necessary to address the need for system linkage, to provide for existing and projected transportation demand, to improve safety, and to enhance modal interrelationships, within the Northwestern Quadrant of the Denver Metropolitan Area.” Keywords: Studies, Non-Highways
Ports to Plains
This study was a joint effort by four state Departments of Transportation (DOTs) including Colorado, Texas, Oklahoma, and New Mexico. It includes I-70 from I-25 east to US 40/287 and then south along US 40/287 to the Colorado/Oklahoma border. The purpose was to create a Development and Management plan for the Ports to Plains Corridor, which outlines a proposed plan for the corridor and serves as an essential tool for securing federal funding for corridor development. It contains several elements that improve the transportation network’s ability to move people and goods. Nearly 1,400 miles long, the corridor consists of 511 miles of 4- to 6-lane roadway, 755 miles of 2-lane roadway, and 113 miles of roadway in metropolitan areas. Keywords: Studies, US Highways, Interstates
File PDF document Region 3 Intersection Priority
This files includes the Final Region 3 Intersection Priority Study. All of the supporting indexes are NOT included with this file and can be requested to be sent via regular mail. Please email [email protected] for more information
WestConnect Coalition PEL Study
Studies, US Highways, State Highways
I-70 West Operations Plan (2015-2016)
Keywords: Interstates, Studies
Vasquez PEL Study
Studies, US Highways, State Highways
CO 66 Planning & Environmental Linkages Study
Keywords: Active Construction, Studies, State Highways
US 34 & US 85 Interchange PEL Study
Keywords: Studies, US Highways, PEL
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