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With ADOT's State Route 347 at Union Pacific Railroad project well underway, this page will provide local news and information related to the project to help keep residents informed. If you have any questions or concerns about the project, please call our Overpass Tracker Hotline at 520-316-6910.

Project Overview

SR 347 is Maricopa's main transportation corridor through the community, serving as a regional connector to major employment and recreation areas. Traffic averages over 31,000 vehicles per day and future (2040) projections show over 60,000 vehicles per day. Just south of the Maricopa-Casa Grande Highway, SR 347 crosses the existing UPRR where there are currently 40 to 60 trains per day; the UPRR has plans to expand service, which would increase train traffic upwards of 100 trains per day. Additionally, the Amtrak station is located just east of the intersection and vehicular traffic is routinely delayed for its passenger operations.

ADOT, in conjunction with FHWA and the City of Maricopa, completed a study to evaluate alternatives and identify improvements to access, capacity and traffic operations through 2040. The study evaluated a future grade separation (bridge) to replace the existing at-grade intersection of SR 347 at the Union Pacific Railroad (UPRR) track.

For full details, including public meeting schedules, documents, and maps, please visit ADOT's State Route 347 at Union Pacific Railroad project page.

ADOT's State Route 347 Featured Videos thumbnailFeatured Videos

View a collection of videos from ADOT showing various route simulations of proposed overpass.

Project Map

News & Updates

MCG Hwy to Close Overnight April 24 & 30 for Overpass Deck Pouring

Post Date:04/11/2019

MCG Hwy to Close Overnight April 24 & 30 for Overpass Deck PouringAnother project milestone will soon be achieved when the concrete deck is poured for the new bridge that will span over the Maricopa-Casa Grande Highway (MCGH). The deck pour is scheduled to take place overnight on April 24 and 30.

This construction activity will require the complete closure of MCGH from 8:00 PM - 5:00 AM on both days. A detour will be set up from Maricopa Groves Parkway and Donithan Road to Butterfield Parkway and Edison Road.

The hauling of dirt to the north and south sides of the overpass is expected to be completed on Friday, and the construction of Plainview Road is projected to be completed by the end of April. This includes the energizing of the street light at the intersection of Honeycutt Road, and the overhead lights along Plainview.

Paving of the north and south overpass approaches is not scheduled yet, but traffic is expected to be moved to the new SR 347 alignment and begin using the overpass by the end of June.

Access to businesses along Honeycutt Road between SR 347 and Plainview St remains available.

Schedules are subject to change based on weather and other unforeseen factors.

Head to www.OverpassTracker.com for an overview of the project, frequent updates on traffic impacts, project timelines, maps and videos of what the project will look like when complete. The City of Maricopa has also established a 24/7 Hotline for you to call and get answers to more specific questions or concerns at (520) 316-6910.

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