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Bicycle Implementation Plan

The Smart City Division plans for and develops new technology - autonomous vehicles, mobility as a service, and more - that will transform the future of transportation in Chattanooga. The division also manages street lights, traffic signals, and data about our streets to keep us safe and moving efficiently.


How long will the Wilcox Tunnel be closed?

The Wilcox Tunnel will be closed from 8:00 am to 4:30 pm from March 5, 2018 through March 9, 2018 for cleaning of the portals where the mural will be painted. The closure for the painting of the mural is anticipated to take (up to) two weeks, beginning on March 23, 2018. 

How is this going to impact my commute to work, school or the grocery store?

Chattanooga Department of Transportation staff has created a rerouting plan to help minimize the impact and inconvenience to residents. The detours are designed to assure the safest and most convenient rerouting. Click to view the northbound detour route and the southbound detour route. From feedback we received from the public at a January meeting, we have added additional signs to clarify how to detour around the tunnel.

How much extra time do I need to allow?

The northbound detour route is expected to add 10 minutes of travel time, and the southbound detour route is expected to add 15 minutes of travel time. We realize the closure impacts everyone, and we apologize for any inconvenience the closure will cause to residents and commuters. Please plan your commute accordingly.

Where else can I go to stay informed on the rerouting plan?

The Chattanooga Department of Transportation has made the maps below to display the detour routes, and detour signage will be clearly posted near the Wilcox Tunnel project site in Chattanooga.

 Wilcox Tunnel Detour SBWilcox Tunnel Detour SB

NBP FB Image

The Chattanooga Department of Transportation (CDOT) and the Songbirds Foundation have teamed up to offer the Block & Roll Neighborhood Block Party Grant Program, which will bring neighbors together by providing the tools and resources necessary to activate public spaces in communities throughout Chattanooga. A total of twenty-five applications were received for the grant program, and six neighborhoods were awarded funds to host their own block party.

The winning Neighborhood Associations from the 2017 Block & Roll Program are Shepherd Community Council, Menlo Park, Lupton City, Boyce Station, Eastdale and Churchville.

Reed Caldwell, the Executive Director of the Songbirds Foundation states, “We would like to extend our congratulations to all the winning neighborhoods. We are extremely excited to be a part of this program and are looking forward to seeing what each community does for their block party."

Neighborhood Block Party Grant funds will be used to cover the costs associated with

throwing a block party, including all applicable permit fees, the cost of barricades and signs required for closing a neighborhood street, and activities or entertainment for the event. In addition, through a partnership with Outdoor Chattanooga, CDOT will help facilitate additional programming as available such as archery, bike riding or kayak lessons.

The Block & Roll Neighborhood Block Party Grant is made possible thanks to funding by the Songbirds Foundation.

If you have any questions about the Neighborhood Block Party Program, please email Jonathan Susman at or call 423-643-6156.

 IM 70.3

IRONMAN 70.3 2018 Street Closures and Spectator Information

Chattanooga DOT welcomes IRONMAN 70.3 this weekend. We recommend that spectators and visitors park in the lots and garages surrounding downtown and utilize the Free Electric Shuttle and the Bike Chattanooga bike share system. The Electric Shuttle will have extended hours for IRONMAN 70.3 on Sunday beginning at 5:00 am. There will also be extra shuttles running the route.

Public activities start at noon on Friday at the IRONMAN Expo area on the Chattanooga Green. Ironman 70.3 starts early Sunday morning with the swim portion at 6:50 am. Athletes will be transitioning to the bike race from about 7:00 until 9:00 am. Traffic will be stopped from crossing the cyclists' lane when they are present between 7:00 am and 1:30 pm on West 20th Street, Broad Street, Market Street, and Alton Park Boulevard. Runners will be on the Riverwalk, Riverside Drive, the Veterans Bridge, Barton Avenue, and Frazier Avenue between 9:00 am and 4:30 pm.

The full event scheduled is on the IRONMAN 70.3 website.

Closure details:

Wednesday, May 16 from 9:00 am until 5:00 am on Monday, May 21

Riverside Drive/Riverfront Parkway between Aquarium Way and Molly Street, Chestnut Street between Aquarium Way and Riverfront Parkway, and the southbound Veterans Bridge ramp to Riverside Drive will be closed for the IRONMAN 70.3 setup and race.

Sunday, May 20:

River Street and Heritage Landing Drive from Tampa Street to Heritage Landing will be closed from 4 am until 9 am for the IRONMAN 70.3 swim portion.

The Tennessee River will be closed to pleasure crafts between Ross's Landing and the Chickamauga Dam from 5:00 am until 10:00 am. This includes the Rivermont Park and Tennessee Riverpark boat ramps.

Market Street and Alton Park Blvd from E 20th Street to W 40th Street will be closed to all southbound traffic and Alton Park Blvd from W 40th Street to W 33rd Street will be closed to northbound traffic from 6:00 am until 9:30 am.

The right southbound lane of Riverfront Parkway and W 20th Street from Molly Lane to Market Street, the right southbound lane of Market Street and Alton Park Blvd from W 20th Street to W 40th Street, W 40th Street between Tennessee Avenue and Alton Park Blvd, and the I-24 on-ramp and southbound off-ramp at Market Street will be closed from 5:00 am until 1:00 pm and all street crossings will be limited by CPD officers.

The intersections of St Elmo Avenue at West 42nd Street and Tennessee Ave. and W. 45th Street will be all-way stop controlled from 7:00 am until 1:00 pm. Cyclists will be on Tennessee Avenue and St Elmo Avenue riding with traffic.

The right eastbound lane of Frazier Avenue between Forest Avenue and the Veterans Bridge, the right northbound lane of Barton Avenue between Frazier avenue and Baker Street, the right northbound lane of the Veterans Bridge between East 3rdStreet and Barton Avenue, the right westbound lane of Amnicola Highway between Old Curtain Pole Road and Lindsay Street, Riverside Drive between Lindsay Street and Molly Lane, the Battery Place off ramp from Riverside Drive, Aquarium Way between Riverside Drive and Walnut Street will be closed from 5:00 am until 7:00 pm and all streets crossing this route will be controlled by CPD officers to give right-of-way to the runners for the IRONMAN 70.3 run portion.

View CDOT's map of event and road closures for full details of these activities and other projects underway in our public space.


Below are two alternative routes to avoid the construction on Broad St. for the drainage system improvements taking place June 2nd until August 31st. 

big dig detour1

Detour map for Lookout Mtn. traffic heading into downtown Chattanooga from Scenic Hwy.

To avoid congestion on Broad St., motorists traveling to downtown Chattanooga should travel down Scenic Hwy. and turn left on Old Wauhatchie Pike to travel west on Cummings Hwy. to Browns Ferry Rd. From there, motorists can access 24 E towards Chattanooga.

big dig detour3

Detour map for Lookout Mtn. traffic heading into downtown Chattanooga from St. Elmo and Ochs Hwy.

To avoid congestion in the St. Elmo area, motorists traveling to downtown Chattanooga should travel down Ochs Hwy., turn right on Tennessee Ave., left on W. 40th St., left on Alton Park Blvd. which then turns into northbound Market St.

Motorists coming north on St. Elmo Ave. should turn right on W. 42nd St. and continue on to Tennessee Ave. From there, motorists should turn right on W. 40th St. and left on Alton Park Blvd. to access Market St. and downtown.

Motorists traveling north on Tennessee Ave. should continue on until turning right on W. 40th St. and left on Alton Park Blvd. to access Market St. and downtown.

big dig detour st elmo

Photo by Phillip Stevens & Matt Lea