CE93007 Preliminary Plan Sheets 1 thru 243 [ PDF| 50MB ]
CE93007 Preliminary Plan Sheets 244 thru 269 [ PDF | 14MB ]
CE93007 Preliminary Plan Sheets 270 thru 407 [ PDF | 32MB ]
CE93007 Preliminary Plan Sheets 408 thru 427 [ PDF | 13MB ]
CE93007 Preliminary Drainage Report [ PDF | 22MB ]
CE93007 Materials Managment Recommendation Report [ PDF | 5MB ]
CE93007 Structure Selection Report [ PDF | 3MB ]
The purpose of the planned improvements to South Broadway, Arizona to Exposition and the I-25 Interchange is to create a corridor that provides safe and efficient mobility for all transportation modes (pedestrian, bicycle, transit, and automobile); promote transit-oriented development; and to accommodate the existing, future and planned developments along the South Broadway corridor.
This project consists of the reconstruction of South Broadway from Arizona Avenue to Exposition Avenue, Ohio Avenue from the east approach of Lincoln Street to Broadway, and Mississippi Avenue between the Consolidated Main Line Railway and Logan Street. It includes realignment and reconstruction of three of the I-25 interchange ramps. An extension of Exposition Avenue will be constructed to provide the northern access into RTD’s I-25 & Broadway Station.
South Broadway to be reconstructed and widened to accommodate eight travel lanes, turn lanes, landscaped raised medians and widened sidewalks, which will serve both pedestrians and bicyclists.
Initially, in an effort to make the corridor more pedestrian/bicycle friendly, the outside lane in each direction will be utilized for vehicular parking. It will remain this way until it is determined that the lanes are needed to mitigate negative impacts by vehicular traffic.
Pedestrian and Bike Mobility: A priority of the project is pedestrian and bicycle mobility—the ease and comfort by which people can navigate the area on foot and by bike. The project area is at the nexus of many neighborhoods, roads and transit modes. It is surrounded by established neighborhoods and future planned developments that will bring additional residents, visitors, destinations and vehicles to the area. The project team has focused on establishing safe and comfortable places and passages for pedestrians and bicycles traveling through the area, whether connecting to transit, home, work, restaurants, retail, parks or trails. Sidewalks will be continuous and widened to 8 feet or 10 feet; street tree canopies will mature to provide shade and to lend identity to this section of South Broadway; street and pedestrian lighting will appropriately illuminate the corridor; and traffic signalization and street crossings will be coordinated for pedestrian safety. The designated bike route along Logan will be directly connected to a new multi-use trail along the north side of Mississippi and lead west to an access ramp to the South Platte River trail. In areas where there is more generous space beyond the sidewalks, such as under the I-25 viaduct west of Broadway within the wedge ramp and within the loop-shaped I-25 on-ramp serving northbound I-25—the design team has applied a placemaking sensibility to create layered landscapes that establish a human scale and are visually pleasing.
View Multi-Use Paths map (PDF)
Various city-wide, long-range studies such as Denver’s Comprehensive Plan adopted in 2000 and Blueprint Denver adopted in 2002 have been conducted over the past 10 years. These studies identify major transportation corridors such as South Broadway and make strategic recommendations to accommodate Denver’s future growth. These strategies are broken into three major categories:
These studies specifically designate the South Broadway Corridor as an area of change and in need of improvement. Consequently, the National Environmental Policy Act (NEPA) process was set in motion. A number of studies were conducted to analyze and specify improvements and resulting impacts necessary to meet future need, growth and development.
The South Broadway and I-25 System Level Study and Interstate Access Request (30MB pdf) prepared for the Colorado Department of Transportation was released and adopted by the Transportation Commission by resolution (TC-1583) in January 2008. In March 2008, the South Broadway Environmental Assessment and Section 4 (f) Evaluation (See Below) was approved and released and the following November, the South Broadway Finding of No Significant Impact (FONSI) was approved.
These documents were the result of a lengthy study and an extensive public outreach process through which alternatives were developed, screened and evaluated, culminating in a thoroughly vetted recommendation for a Preferred Alternative. The planned improvements for South Broadway, Arizona to Exposition and I-25 Interchange project is a direct result of these studies, strategies and recommendations and will ensure this important corridor meets the area’s complex demands.