LA 1 / LA 415 Connector

The LA 1 / LA 415 Connector Project is a critical infrastructure initiative aimed at addressing traffic congestion, safety concerns, and evacuation challenges associated with the current LA Highway 1 corridor and the Intracoastal Waterway Bridge in West Baton Rouge Parish. This project involves constructing a 3-mile, four-lane divided roadway extending south from I-10 at the LA Highway 415 exit, crossing the Intracoastal Waterway, and connecting to North Line Road and LA Highway 1. The new connector will provide an additional access point to I-10 and the Mississippi River Bridge, effectively bypassing the heavily congested sections of LA Highway 1.

Project Funding & Legislative SupportProposed LA 1 LA 415 Connector Map

House Bill (HB) 578, co-authored by Representative Tanner Magee and Senator Rick Ward III, was successfully enacted to allocate funds from the Deepwater Horizon Economic Damages Collection Fund for the planning and construction of the LA 415 Bridge and the LA 1 / LA 415 Connector Project.

In December 2023, the Louisiana Department of Transportation and Development (DOTD) secured an $88.3 million federal loan through the **Transportation Infrastructure Finance and Innovation Act (TIFIA)**, supplementing an additional $38 million in federal funding. With total project funding secured, construction is expected to begin in late 2025 or early 2026, with substantial completion anticipated by late 2028.

About the Connector

The LA 1 / LA 415 Connector is designed to bypass the congested LA Highway 1 corridor at the Intracoastal Waterway Bridge. The new roadway will extend south from I-10 at the LA Highway 415 exit, cross the Intracoastal Waterway, and connect to North Line Road and LA Highway 1.

Overview

LA Highway 1 is a key transportation route for Louisiana’s energy industry and regional commerce. Connecting with I-10 in West Baton Rouge, it currently carries over 44,700 vehicles per day—far beyond its design capacity. The existing Intracoastal Waterway Bridge is more than 50 years old, rated ‘F’ for service, and presents significant safety risks. Additionally, the LA 1 corridor serves as a major hurricane evacuation route for approximately 120,000 residents.

Why an Alternative Route Is CriticalLA Highway 1 Connector Timeline

Key Objectives of the LA 1 / LA 415 Connector Project

  • Alleviate Traffic Congestion: Over 44,700 vehicles travel the Intracoastal Bridge daily, exceeding its capacity. The new connector will reduce bottlenecks and improve traffic flow.
  • Enhance Safety: The existing Intracoastal Waterway Bridge, over 50 years old and rated 'F' for service, poses safety risks. The connector will provide a modern, reliable alternative route.
  • Support Economic Development: The LA Highway 1 corridor is a key route for industries, including oil, gas, and petrochemicals. Improved infrastructure will support regional growth and industrial traffic.
  • Improve Evacuation Routes: Serving as a hurricane evacuation route for approximately 120,000 residents, the new route will ensure more efficient and safer evacuations during emergencies.

Community and Economic Impact

The West Baton Rouge Chamber of Commerce highlights the necessity of this project, stating that current infrastructure limitations restrict economic development and daily commutes. The connector is expected to attract new businesses, create jobs, and enhance the quality of life for residents by providing a more efficient transportation network.

Safety & Emergency Preparedness

The present Intracoastal Waterway Bridge is outdated and over capacity, creating daily congestion and increasing the risk of accidents. Traffic backups frequently extend onto I-10, impacting regional mobility. The connector will provide an essential alternative route to improve safety and reliability.

Emergencies & Evacuations

LA Highway 1 is the primary hurricane evacuation route for approximately 120,000 residents across seven parishes. Current congestion on the Intracoastal Bridge results in evacuation times of 24 to 36 hours. Additionally, the route is critical for emergency evacuations from petrochemical plants and for transporting medical patients to hospitals in Baton Rouge.

Project Endorsements

The LA 1 / LA 415 Connector Project has received support from multiple organizations, including:

  • Capital Region Planning Commission
  • Greater Baton Rouge Port Commission
  • Iberville Parish Council
  • Louisiana Congressional Delegation
  • Louisiana House & Senate Delegations
  • St. James Parish Council
  • West Baton Rouge Chamber of Commerce
  • West Baton Rouge School Board

Contact Us

If you are frustrated with LA Highway 1 traffic, email LA DOTD or call at 877-452-3683.

Project Materials