MD 586

MD 586
State	Maryland
Type	MD
Route	586
Maint	Maryland State Highway Administration
Length mi	2.48
Established	1960s
Direction a	West
Terminus a	near Baltimore
Direction b	East
Terminus b	near Bel Air
Counties	Harford County

MD 586 is a state highway in Harford County that runs between U.S. Route 1 and Maryland Route 24, serving communities near Abingdon, Edgewood, and the outskirts of Bel Air. It provides a controlled-access link complementing regional corridors such as Interstate 95, MD 152, and MD 543, carrying commuter, commercial, and local traffic. The route facilitates connections to landmarks and institutions including Aberdeen Proving Ground, Johns Hopkins University Applied Physics Laboratory, Susquehanna State Park, and the Harford County Public Schools network.

Route description

MD 586 begins at a junction with U.S. Route 1 near the Edgewood Community Center area, immediately providing a four-lane divided alignment that parallels regional arterials like Maryland Route 7. Traveling east, the highway crosses waterways feeding into the Bush River and passes close to industrial and research facilities associated with Aberdeen Proving Ground and the U.S. Army Research Laboratory. The corridor intersects local connectors such as Maryland Route 152 and access ramps toward I-95 and Maryland Route 24, integrating with commuter flows toward Baltimore, Wilmington, and Towson.

The alignment serves residential nodes linked to Abingdon and Edgewood, while providing arterial capacity for truck movements originating from distribution centers tied to Port of Baltimore logistics and manufacture clusters associated with Honeywell and General Electric operations in the region. Roadway design includes grade-separated intersections and signalized junctions that tie into county routes such as Harford County Public Road 1 and feeder streets leading toward Bel Air schools and municipal facilities.

History

The corridor that became MD 586 was conceptualized amid mid-20th century development pressures tied to expansion of Aberdeen Proving Ground and suburban growth around Baltimore County and Harford County. Early planning drew on studies from agencies including the Maryland State Highway Administration and regional plans influenced by interstate-era projects like I-95 and federal defense-related infrastructure investments. Initial construction in the 1960s and 1970s established a primary two- to four-lane connector, with subsequent upgrades timed to serve expanding residential subdivisions developed by firms such as Levitt & Sons and commercial centers anchored by retailers resembling Walmart and Home Depot.

Major improvements in the 1980s and 1990s involved interchange reconfigurations inspired by engineering precedents from projects such as the Baltimore Harbor Tunnel Thruway upgrades and traffic-calming approaches used on U.S. 40 corridors. Environmental reviews referenced guidelines from the U.S. Fish and Wildlife Service and coordination with the Maryland Department of the Environment due to proximity to tributaries feeding the Chesapeake Bay. More recent resurfacing and safety projects were executed under state capital programs that mirror investments in Maryland Route 24 and Maryland Route 543.

Major intersections

- Western terminus: junction with U.S. 1 near Edgewood and access toward Baltimore. - Intersection with MD 152 providing north–south access toward Joppa and Havre de Grace. - Ramps and connector links to I-95 facilitating regional travel to Wilmington and Washington, D.C.. - Eastern terminus: junction with MD 24 near Bel Air and proximity to Harford Community College and Upper Chesapeake Medical Center.

Future plans

Long-term plans for the MD 586 corridor have been discussed in regional transportation studies conducted by entities like the Baltimore Metropolitan Council and the Maryland Department of Transportation. Proposals include capacity improvements coordinated with I-95 interchange modernization projects, multimodal enhancements supporting Maryland Transit Administration bus services, and bicycle-pedestrian facilities modeled after corridors upgraded under programs similar to the Safe Routes to School and Transportation Alternatives Program. Environmental mitigation and stormwater management strategies would align with initiatives from the Chesapeake Bay Program and the Maryland Department of the Environment to reduce runoff into the Bush River watershed.

Planning scenarios incorporate transit-oriented development principles applied elsewhere in the region, referencing projects around Edgewood MARC station and redevelopment concepts used in Towson and White Marsh. Funding discussions have involved federal grants administered through the Federal Highway Administration and state bonds similar to those used on MD 24 and U.S. 40 improvements.

Auxiliary routes

Several short connector and ramp segments associated with the MD 586 corridor function as auxiliary links managed by the Maryland State Highway Administration and Harford County. These include spur ramps to I-95 and service roads paralleling the mainline that provide access to industrial parks, residential subdivisions, and institutional campuses such as Aberdeen Proving Ground satellite facilities and Johns Hopkins University Applied Physics Laboratory research areas. Auxiliary alignments are often designated in state maintenance logs in series similar to other Maryland connector routes. Category:State highways in Maryland