GOVERNOR HARRY W. NICE MEMORIAL/SENATOR THOMAS “MAC” MIDDLETON BRIDGE (US 301) The original 1.9-mile, two-lane bridge spanning the Poto- mac River from Newburg, Maryland, to Dahlgren, Virginia, opened in 1940. President Franklin D. Roosevelt participated in the facility’s groundbreaking in 1939. Construction of a new Potomac River Crossing to replace the Nice/Middle- ton Bridge began in 2020 and, in October 2022, the new 1.7-mile bridge opened to traffic. The new bridge was built north of and parallel to the original bridge, and includes two 12-foot lanes in each direction with two-foot shoulders, a center median and features to accommodate bicyclists. Tolls WILLIAM PRESTON LANE JR. MEMORIAL (BAY) BRIDGE (US 50/301) The Bay Bridge crosses the Chesapeake Bay along US 50/301. Dual spans provide a direct connection between Maryland’s Eastern Shore and metro Baltimore, Annap- olis and Washington, DC. At 4.35 miles (eastbound) and 4.33 miles (westbound), the spans are among the world’s longest and most scenic over-water structures. The original span opened in 1952 and provides a two-lane roadway for eastbound traffic. The parallel structure opened in 1973 and provides three lanes for westbound travelers. During periods of heavy traffic, one lane of the westbound bridge is “re- versed” to carry eastbound travelers. In May 2020, the Bay Bridge became the third of the MDTA’s legacy facilities to begin highway-speed all-electronic tolling. FY 2025 TRAFFIC VOLUME: 27.6 MILLION VEHICLES *
INTERCOUNTY CONNECTOR (ICC)/MD 200
The ICC links I-270/I-370 in Montgomery County and US 1 in Prince George’s County, and is Maryland’s first all-electronic, variably priced toll facility. The first segment between I-370 at Shady Grove and MD 97 in Rockville/ Olney opened in February 2011; the second segment to I-95 opened in November 2011; and the ICC was completed to US 1 in Laurel in November 2014. A faster, more reliable drive for motorists, the ICC also helps reduce congestion on
I-495 (Capital Beltway). FY 2025 TRIPS: 22.6 MILLION
are collected in the southbound direction only. FY 2025 TRAFFIC VOLUME: 6.6 MILLION VEHICLES*
*NOTE: Tolls are collected in one direction
MARYLAND TRANSPORTATION AUTHORITY 2025 ANNUAL REPORT 11
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