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In Downtown Atlanta, the Downtown Connector or 75/85 (pronounced "seventy-five eighty-five") is the concurrent section of Interstate 75 and Interstate 85 through the core of the city. Beginning at the I-85/Langford Parkway interchange, the Downtown Connector runs generally due north, meeting the west–east I-20 in the middle. Just north of this is the Grady Curve around Grady Memorial Hospital. Continuing north, the terminus of the Downtown Connector is the Brookwood Interchange or Brookwood Split in the Brookwood area of the city. The overall length of the Downtown Connector is approximately 7.5 miles (12 km).[1] Since the 2000s, it has been officially named James Wendell George Parkway for most of its length, although it is still designated the Connector in the mainstream. It also has unsigned designations State Route 401 (I-75) and State Route 403 (I-85) along its length, due to I-75 and I-85 having 400-series reference numbers.
  Downtown Connector | ||||
|---|---|---|---|---|
| James Wendell George Parkway | ||||
 | ||||
| Route information | ||||
| Maintained by Georgia DOT | ||||
| Length | 7.4 mi[1] (11.9 km) | |||
| Existed | 1952[2]–present | |||
| Component highways | ||||
| NHS | Entire route | |||
| Major junctions | ||||
| South end |   I-75 / I-85 towards Hartsfield-Jackson Atlanta International Airport | |||
| North end | I-75 / I-85 in Midtown Atlanta | |||
| Location | ||||
| Country | United States | |||
| State | Georgia | |||
| Counties | Fulton | |||
| Highway system | ||||
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| ||||
The Downtown Connector carries more than 437,000 vehicles per day at its busiest point — just south of 10th Street in Midtown, while the least traveled portion carries 243,000 vehicles per day — just south of Fulton Street, near the interchange with Interstate 20.[3] The area around the connector and associated interchanges are considered one of the ten-most congested stretches of interstate in the U.S.[4] Due to this fact, many motorists often compare Atlanta to Los Angeles, which is also known for its notoriously-congested freeway system.
The highway is fully instrumented with Intelligent transportation system (ITS) devices. There are more than 25 closed-circuit television cameras between the Langford Parkway interchange (south end) and the Brookwood Interchange (north end). Additionally, the Downtown Connector has three large overhead electronic message signs, and four smaller HOV-dedicated message signs on the median barrier wall. Traffic flow data is gathered through a video detection system, using pole-mounted black-and-white cameras spaced every 1⁄3 mile (0.54 km) on both sides of the roadway. All video and data is fed into the GDOT's Transportation Management Center (TMC), via fiber-optic cable located under the shoulders of the roadway. Virtually all entrance ramps are metered, with the exception of the freeway-to-freeway connection ramps from I-20. As with every other freeway inside the Perimeter, the Downtown Connector is lined with streetlights mounted in the center median, with high-mast lighting at major interchanges.
Atlanta's skyline, both Downtown and Midtown, can be seen from the highway, especially at the northern and southern ends.
Planning and initial construction
On December 14, 1944, the Georgia State Highway Department, the predecessor agency to the Georgia Department of Transportation (GDOT), collaborated with the city of Atlanta, Fulton County, and the Bureau of Public Roads (BPR), the predecessor to the Federal Highway Administration (FHWA) to work on a plan to improve traffic and connectivity within the Atlanta area. Chicago-based H.W. Lochner & Company, a transportation engineering firm which had been formed earlier that year, was hired to provide a comprehensive transportation plan for the region, using data conducted by the BPR and the state highway department from 1936 to 1945, and future growth projections. The report, which was released on January 10, 1946, recommended a total of six radiating expressways be constructed in the city, with the intent of being integrated into what later became the Interstate Highway System, which at the time was expected to eventually be authorized by Congress. The report recommended that four of these expressways converge into a single north-south route through downtown, which was referred to at the time as both the "Downtown Connector" and the "Downtown Connector Expressway".[5]
Work of the first section of the Downtown Connector, located between Williams Street and the Brookwood Interchance, as well as the approximately 1⁄3 mi (0.54 km) stretch of what is now I-85 north to Peachtree Street, began in September 1948, and was dedicated and opened to traffic on September 25, 1951.[6] The 0.6 mi (0.97 km) stretch from Piedmont Avenue to Williams Street opened on May 5, 1959.[7] Work on a southern stretch of the Connector, a 1.4-mile (2.3 km) section between University Avenue and Richardson Street, began in March 1955, and was dedicated and opened on July 25, 1957.[8] Construction on the final stretch, the 2.3-mile (3.7 km) stretch between Richardson Street and Piedmont Avenue, including the interchange with I-20, began on February 26, 1962,[9] and was opened to traffic on September 18, 1964.[10][11] A ribbon-cutting ceremony for the Downtown Connector, attended by Governor Carl Sanders, FHWA administrator Rex Marion Whitton, and Atlanta mayor Ivan Allen Jr. was held inside the Georgia State Capitol on October 15, 1964.[12]
Initial construction of the highway displaced parts of Techwood Drive and Williams Street in Midtown Atlanta. It also destroyed street grids east and south of downtown, dividing Sweet Auburn in two and the interchange with I-20 leveling the northern part of the Washington-Rawson district. The proposed I-485 was originally planned by the Georgia Department of Transportation to carry some south–north traffic through the eastern side of the city, but most of this was canceled in the 1970s by the then-governor of Georgia, Jimmy Carter. Parts of that road are now I-675 and SR 400.[13]
Reconstruction
The highway was heavily reconstructed during the 1980s as part of GDOT's Freeing the Freeways program to widen Atlanta-area freeways, with most of the Connector's width being doubled from three to six or seven lanes in each direction.[14] The project included work to increase lanes from six to eight on I-20, I-75, I-85, and I-285 ("The Perimeter"), as well as ten lanes on the downtown connector, involving 126 total miles and was phased over 13 years between 1976 and 1988. The improvement campaign also included elimination of sharp curves and grades, left-hand exits, excessive interchanges, and short acceleration/deceleration lanes.
So as to offer a bypass around construction through the center of the city, the perimeter road (I-285) was completed first. The radiating expressways were then upgraded, and the last phase was reconstruction of the depressed sections through downtown Atlanta. By June 1983, some $252 million in discretionary funds had been used to complete most of the highways save for some major interchanges and the downtown section. The eight miles of the downtown section, which includes the 4.4-mile long downtown connector, was the most complicated section of the entire reconstruction. Work was started on it in 1984, and it included redesigning the massive interchange between I-20 and I-75/85 at Memorial Drive where much of the mileage was on structure. The downtown connector was to be widened to ten lanes, and this required quite a bit of right of way acquisition. Many bridges, including the 55 over the connector portion alone, had to be designed and built.[15] In addition to the general-purpose lanes, provisions for high-occupancy vehicle (HOV) lanes and dedicated on-ramps at Williams Street, Piedmont Avenue, and Memorial Drive were built, and were subsequently converted to HOV usage in 1996.
Later history
Between 2000 and 2004, the six-lane wide 17th Street Bridge was constructed over the Brookwood Interchange, connecting Midtown Atlanta with the then-new Atlantic Station development. In 2008, reconstruction of the 14th Street Bridge took place in order to accommodate increased traffic flow and pedestrian amenities. This work also included the construction of two new off-ramps: a southbound ramp to 10th Street, and a northbound ramp to 17th Street. This work was completed on May 28, 2010.
In early January 2010, a section of the highway between 14th and 17th streets developed an unusual problem dubbed "phantom ice" during a prolonged cold wave that kept temperatures below freezing for several days in the Atlanta region. GDOT engineers believe that heavy rain in previous months raised the water table and caused it to seep upward through joints between lanes, where it subsequently froze. Commuter traffic was stopped briefly on at least two days in order to treat it with deicing materials and inspect the freeway to determine the cause.[16]
In January 2016, GDOT started a study of the Downtown Connector. Citing high levels of congestion that occur outside of peak periods, the purpose of the study is to gather data and explore options for reducing congestion.[17] Data collection took place all year in 2016, and the data is being analyzed and options evaluated throughout 2017 and 2018. The study is expected to be completed in 2019.[18] The study has already released their data on their website, including nine "Hot Spots", or dangerous and congested points that could most benefit from design improvements,[19] and a detailed analysis of traffic in the whole metro area and how it relates to traffic on the Downtown Connector.[20]
The Stitch
Location of the Stitch in Downtown Atlanta
KML is not from Wikidata
The Stitch is a proposed engineering project that would see portions of the Downtown Connector capped and covered with public greenspaces. In August 2016, Central Atlanta Progress (CAP) announced plans to cover the Downtown Connector, converting it to a subterranean roadway and building a series of greenspaces on top of the road to cover an area of approximately 14 acres (5.7 ha), similar to Klyde Warren Park in Dallas. The proposal was first put forward by CAP as a way to reclaim land area taken by the Downtown Connector.[21]
Similar discussions had been held at CAP as early as 2003 and have included similar proposals for the area near the Georgia State Capitol.[22]
This project was drafted by Jacobs Engineering Group and is called "The Stitch", as one of the intents of the project would be to "stitch" together roads that had been divided with the creation of the Downtown Connector.[23] The study, prepared for CAP by Jacobs Engineering Group at a cost of $100,000, called for a 14-acre (5.7 ha) stretch of reclaimed land covering a 0.75-mile long (1.21 km) stretch of the Downtown Connector from Spring Street to Piedmont Avenue in downtown.[22][24] The study, which compared the project to the Klyde Warren Park in Dallas, said the project would cost approximately $300 million and stimulate approximately $1.1 billion in land development and increased property value.[25] Unlike Klyde Warren Park, The Stitch would involve the creation of multiple parks.[21] The reclaimed land would also allow for the reconnection of Atlanta's street grid, which was interrupted by the construction of the Connector.[26]
Between 2017 and 2018, CAP conducted a year-long viability study on the project that involved Jacobs and John Portman and Associates.[24][27] In March 2019, the Urban Land Institute (ULI) published a feasibility study on the project, while that same month the estimated cost for the project was stated at $452 million.[28][29] Advisors from the ULI estimated that the project could take four years of planning and pre-development and six years of construction.[29]
As of 2019, the project was still in the pre-construction phase, with an estimated timeline and budget of ten years and $452 million, respectively.[30]
In 2021, the Midtown Connector Project (MCP) Foundation released a proposal to build a park over 10 blocks of the Midtown portion of the Downtown Connector from North Avenue to 10th Street.[31][32] The proposal connects that area of the city to the main campus of the Georgia Institute of Technology, which is located on the other side of the Interstate.[33][34][35]
Southern end of the Downtown Connector where I-75 and I-85 diverge
North end of the Downtown Connector where I-75 and I-85 converge in Midtown
Downtown Connector view of the downtown skyline
Downtown Connector facing south from Fifth Street bridge; nighttime view
Aerial view of the Downtown Connector facing north from downtown
Aerial view of the Downtown Connector facing south from downtown
Atlanta Downtown Connector at night
Downtown Connector at Williams Street looking south
Downtown Connector at Williams Street looking south during the 2005 ice storm
Downtown Connector looking north at University Avenue
Downtown Connector at its interchange with Interstate 20
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Exit numbers follow the mileposts along I-75. The entire route is in Atlanta, Fulton County.
| mi | km | Old exit | New exit | Destinations | Notes | ||
|---|---|---|---|---|---|---|---|
| 0.0 | 0.0 | 87 | 242 |   I-75 south – ATL Airport (International and Air Cargo), Macon, Tampa I-85 south – ATL Airport (Domestic), Montgomery, Columbus, Auburn | Southern end of I-75/I-85 concurrency; southbound exit and northbound entrance; freeway continues with HOV lanes to and from I-75 to the south (no HOV ramps to or from I-85 to the south). | ||
| 0.6 | 0.97 | 88 | 243 |  SR 166 (Langford Parkway) – East Point | |||
| 1.7 | 2.7 | 89 | 244 | University Avenue / Pryor Street | |||
| 2.5 | 4.0 | 90 | 245 | Abernathy Boulevard / Capitol Avenue – Georgia State Stadium (formerly Turner Field) | Northbound exit and southbound entrance | ||
| 2.7 | 4.3 | 91 | 246 | Fulton Street / Central Avenue – Downtown | Southbound has no exit to Central Avenue; entrance is from Pulliam Street. | ||
| 3.2 | 5.1 | 92 | 247 |  I-20 (Ralph D. Abernathy Freeway) – Birmingham, Augusta | |||
| 3.1 | 5.0 | — | — | Memorial Drive | HOV ramps for northbound exit and southbound entrance | ||
| 3.9 | 6.3 | 93 | 248A | Martin Luther King Jr. Drive – State Capitol | Southbound exit and northbound entrance | ||
| 4.4 | 7.1 | 94 | 248B | Edgewood Avenue / Auburn Avenue / J.W. Dobbs Avenue | Northbound exit and southbound entrance | ||
| 4.6 | 7.4 | 96 | 248C |   SR 10 east (Freedom Parkway) / Andrew Young International Boulevard – Carter Center | Western terminus of SR 10 and Freedom Parkway | ||
| 5.0 | 8.0 | 95 | 248D | J.W. Dobbs Avenue / Edgewood Avenue | Southbound exit and northbound entrance | ||
| 4.6 | 7.4 | 95A | — | Piedmont Avenue | HOV ramps for northbound exit and southbound entrance | ||
| 5.5 | 8.9 | 97 | 249A | Courtland Street – Georgia State University | Southbound exit only | ||
| 5.7 | 9.2 | 98 | 249B | Pine Street / Peachtree Street – Civic Center | Northbound exit only | ||
| 5.8 | 9.3 | 99 | 249C | Williams Street – Georgia World Congress Center, Philips Arena, Mercedes-Benz Stadium | No northbound exit | ||
| 6.0 | 9.7 | 99 | — | Williams Street | HOV ramps for southbound exit and northbound entrance | ||
| 5.9 | 9.5 | 100 | 249D | Spring Street / West Peachtree Street | Northbound exit and southbound entrance | ||
| 6.2 | 10.0 | 100 | 249D |      To US 29 / US 78 / US 278 / SR 8 (North Avenue) – Georgia Tech | Southbound exit and northbound entrance | ||
| 6.9 | 11.1 | 101 | 250 | 10th Street / 14th Street – Georgia Tech | Northbound exit and southbound entrance | ||
| 6.7 | 10.8 | 102 | 250 | 16th Street / 14th Street / 10th Street | Southbound exit from and northbound entrance to I-75 only; I-85 has a southbound exit to 17th-14th-10th streets (exit 84) but no northbound entrance. | ||
| 7.0 | 11.3 | — | 251A | 17th Street – Midtown | Northbound exit only | ||
| 7.4 | 11.9 | 103 | 251B |  I-75 north – Marietta, Chattanooga  I-85 north to SR 400 north – Greenville, Charlotte | Left exits in both directions; northern end of I-75/I-85 concurrency; main HOV lanes on Downtown Connector continue to and from I-85 to the north; freeway continues as I-75 beyond I-85 north with direct HOV ramps provided to and from I-75 to the north. | ||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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