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Interstate 68

Interstate 68 (I-68) is a 112.9-mile east–west Interstate Highway spanning the U.S. states of West Virginia and Maryland, with its western terminus at an interchange with Interstate 79 near Morgantown, West Virginia, and its eastern terminus at an interchange with Interstate 70 near Hancock, Maryland. The route primarily follows the alignment of the historic National Road through the Appalachian Mountains, serving as a key east-west corridor linking the Mid-Atlantic region while traversing rural terrain, mountain ridges, and the city of Cumberland, Maryland. In Maryland, where the majority of the highway lies, it is designated as the National Freeway and overlaps U.S. Route 40 for much of its length, reflecting its role in modernizing the path of the early 19th-century federal roadway. Designated as part of the Development Highway System's Corridor E, I-68 originated from planning in the mid-1960s under initial numbering as , with construction spanning over 25 years amid funding fluctuations and engineering challenges in rugged terrain. The highway received its Interstate designation in 1989 and was fully opened to traffic by August 1991, replacing the earlier U.S. 48 signage and facilitating improved connectivity for freight, tourism, and regional economic development in and northern . Notable engineering feats include the expansive road cut through in , which exposes layered geological strata and exemplifies the infrastructure demands of routing a modern freeway through folded geology. Beyond transportation utility, I-68 supports scenic travel with overlooks of forested mountains and proximity to historic sites along the old National Road, though its primary function remains efficient interstate commerce and access between major routes like I-79 to the west and I-70 to the east. The approximately 33-mile segment in West Virginia connects to local routes serving Preston and Monongalia counties, while the 80-mile Maryland portion aids development in Garrett, Allegany, and Washington counties. Funded in part by the Appalachian Regional Commission, the highway's completion marked a significant upgrade from two-lane roads, reducing travel times and enhancing safety across the region.

Route Description

West Virginia Segment

Interstate 68's West Virginia segment commences at its western terminus with (Exit 0) near Cheat Lake, approximately six miles east of downtown Morgantown in Monongalia County. This interchange facilitates connectivity to northern and via I-79, while serving as the primary east-west corridor through the region, supplanting the older alignment of U.S. Route 48. The freeway initially traverses suburban areas of the Morgantown metropolitan region, providing access to key local routes such as (Exit 1, leading south into the city center) and (Exit 4, Greenbag Road, connecting to commercial districts and ). East of Morgantown, I-68 crosses the Cheat Lake Bridge, spanning the reservoir formed by the , which offers views of the surrounding foothills amid generally fair structural conditions as per recent inspections. The route then shifts to more rural character, intersecting West Virginia Route 43 (Exit 10), which provides secondary access to Cheat Lake recreational areas and northward links to . Traffic volumes are highest near Morgantown due to urban commuting and university-related travel, tapering to lower levels in outlying sections where the highway functions mainly for through-traffic and regional freight. Entering Preston County after approximately 14 miles, I-68 winds through densely forested, mountainous terrain characteristic of the Allegheny Plateau, with grades and curves adapted for interstate standards but demanding caution in winter conditions. Notable interchanges include West Virginia Route 26 (Exit 23) at Bruceton Mills, serving local communities and agricultural areas. The segment concludes after 32.06 miles at the Maryland state line near Keysers Ridge, transitioning seamlessly into Garrett County without interruption. Throughout its length in Monongalia and Preston counties, the freeway emphasizes efficient traversal of the rugged landscape, minimizing reliance on parallel two-lane roads like U.S. Route 40 for long-haul travel.

Maryland Segment

Interstate 68 enters Maryland from West Virginia within Garrett County near the community of Keysers Ridge, initiating an 81.09-mile traverse eastward across the Appalachian Mountains through primarily rural terrain. The freeway overlaps U.S. Route 40 from this point onward, shadowing alignments of the historic National Road while ascending and descending multiple ridges. In Garrett and western Allegany counties, the route features forested hillsides and limited development, providing a scenic corridor distinct from more urbanized interstate paths. Upon reaching Allegany County, I-68 incorporates the Cumberland Thruway, a curvaceous elevated that bypasses congestion in downtown by spanning the city on a narrow alignment with frequent interchanges. Here, joins the concurrency briefly, facilitating access to local commercial districts and historic districts tied to early 19th-century transportation routes. East of , the highway shifts back to surface-level construction through rolling terrain, integrating with older U.S. 40 segments upgraded for modern traffic. Further east in , I-68 encounters the road cut, a 340-foot-deep excavation exposing layered formations in a synclinal structure, serving as a prominent geological landmark visible to motorists. This feature highlights the route's engineering demands in navigating folded mountain ridges. The freeway culminates at a trumpet interchange with west of , marking the end of its Maryland extent after crossing Tonoloway Ridge. Throughout its path in Garrett, Allegany, and counties, the segment remains toll-free, emphasizing accessibility for regional travel.

Major Junctions and Features

Interstate 68 originates at a full cloverleaf interchange with Interstate 79 near Morgantown, West Virginia, enabling seamless connections northward to Pittsburgh and southward to Charleston. In Maryland, the route shares a long concurrency with U.S. Route 40 from Keysers Ridge eastward through Grantsville and past Frostburg to Cumberland, where U.S. Route 220 briefly joins before U.S. 40 exits; this overlap integrates historic National Road traffic with modern freeway standards. The eastern terminus occurs at a diamond interchange with Interstate 70 in Hancock, Maryland, providing direct access to Hagerstown and the Washington, D.C. metropolitan area. These junctions anchor the 113-mile corridor, prioritizing high-volume interregional mobility across Appalachian terrain. Prominent engineering elements include the cut in , a 4.5-mile excavation completed in the late that sliced through a 350-million-year-old ridge, exposing nearly 810 feet of tightly folded synclinal strata from the Mississippian Period. This 380-foot-deep cut, involving the removal of 4.5 million cubic yards of material, reveals layered sedimentary rocks tilted by ancient tectonic forces and serves as an unintended geological exhibit visible from the roadway. Additional feats encompass multiple elevated bridges traversing valleys and waterways, such as the Cumberland Thruway span over Wills Creek, which supports four lanes amid narrow passes while minimizing environmental disruption. Operational features emphasize reliability and safety, with full diamond or partial cloverleaf interchanges at principal junctions to accommodate heavy and tourist volumes; the route includes no tolls, maintaining free access as an component. Speed limits are posted at 65 mph on most rural stretches in both states, dropping to 40-55 mph through curvier segments near and LaVale due to grades and alignments. pull-offs and service plazas provide roadside support, though dedicated weigh stations operate intermittently for commercial enforcement.

History

Pre-Interstate Predecessors

The alignment of Interstate 68 primarily superseded segments of , which originated as the , the first federally funded highway in the United States, authorized by an on March 29, 1806, to connect , with the . Construction began at in 1811, progressing westward through challenging terrain with hand-laid stone and gravel surfaces that supported wagon traffic but imposed steep grades exceeding 5 percent and tight curves, limiting speeds and increasing maintenance costs. By the establishment of the U.S. Highway System in 1926, this path was designated US 40, a two-lane that, despite gradual paving in the and , remained inadequate for post-World War II automobile and truck volumes, as evidenced by frequent bottlenecks and seasonal closures due to snow and landslides in the mountainous regions of and northern . These deficiencies—narrow shoulders, lack of passing opportunities, and vulnerability to weather—contributed to elevated accident rates and delayed freight movement, exacerbating economic stagnation in , where coal-dependent communities suffered from isolation and declining industry after the . Initial mitigations included partial bypasses along US 40, such as Maryland's Thruway, an elevated urban freeway segment opened in stages starting in the late to relieve congestion, though it featured substandard interchanges and undivided sections that failed to resolve broader regional issues. Federal recognition of these systemic shortcomings prompted early 1960s planning under the President's , which identified the corridor for upgrade to foster connectivity between isolated eastern panhandles and major markets, prioritizing relief from US 40's topographic constraints over incremental widening. In 1965, the proposed freeway alignment received the temporary designation of , extending from near , westward, to preemptively mark sections paralleling US 40 for reconstruction with modern standards, though full funding and execution awaited interstate integration. This precursor reflected causal imperatives for safer, faster transit amid Appalachia's per capita income lagging national averages by over 20 percent, driven by infrastructure deficits that hindered , , and resource extraction logistics.

Development as Corridor E

The Appalachian Regional Development Act of 1965 authorized the creation of the (ADHS), a network of 23 corridors designed to enhance in economically distressed Appalachian regions by linking remote areas to major interstates and improving to markets. Corridor E was designated as a key segment spanning from near , to , to bridge with while traversing the . This corridor selection prioritized routes that would integrate with the Interstate System, fostering through upgraded transportation infrastructure. Planning for Corridor E emphasized engineering solutions to overcome the deficiencies of predecessor roads, such as , which contended with steep gradients exceeding 6% in areas like the Cumberland Narrows and recurrent flooding in valleys including Wills Creek and the basin. guidelines under the ADHS required corridors to achieve modern standards, including four-lane divided highways with grades limited to 6% or less and full control of access, to ensure reliable year-round travel and reduce in mountainous terrain. Initial for planning and early segments derived from appropriations, with the providing for up to 50% matching grants that later evolved to 80% for qualifying ADHS projects to accelerate development in underserved areas. Coordination among stakeholders commenced shortly after designation, involving the West Virginia State Road Commission (predecessor to the ), Maryland State Roads Commission, the (), and the Bureau of Public Roads (later ). State agencies conducted preliminary surveys in the late to align the corridor with topographic features, minimizing cuts through sensitive ridges while maximizing use of existing rights-of-way where feasible. By the early 1970s, interagency agreements formalized route alignments, with ARC oversight ensuring compliance with economic viability criteria, including traffic projections that justified federal investment based on projected freight and passenger volumes. These efforts incorporated data-driven assessments of regional isolation, such as limited east-west linkages that hindered and timber transport, to underpin land acquisition strategies under where private parcels impeded optimal alignments.

Construction and Designation

Construction of what would become Interstate 68 commenced in 1965 as Corridor E under the Appalachian Regional Development Act, initially focusing on segments in to connect the region to broader interstate networks. Early work in progressed through the 1970s, with the 32-mile portion from Morgantown to the Maryland state line substantially completed by the early 1980s despite the challenges of navigating . In , development of the National Freeway advanced concurrently but faced significant hurdles from the rugged mountainous terrain, which drove up costs to approximately $481 million across the corridor and extended timelines due to extensive earthwork, bridges, and grading requirements. The American Association of State Highway and Transportation Officials (AASHTO) approved the Interstate 68 designation on June 7, 1989, replacing the temporary numbering used during construction to meet full , including controlled access and geometric criteria adapted for the hilly landscape. This shift formalized the route's integration into the national system, though physical completion lagged due to phased building in Maryland's segments through the . Key advancements included the Morgantown-to-Bruceton Mills stretch opening in the mid-, enabling partial traffic relief in northern . The entire 113-mile route achieved full operational status on August 2, 1991, with the final segment from Keysers Ridge to opened amid dedication ceremonies marking both completion and the official Interstate redesignation. Despite meeting Interstate standards, the prolonged 26-year build reflected persistent engineering demands, such as cuts through ridges like , which required innovative rock excavation to avoid excessive tunneling costs.

Completion and Early Operations

The final segment of Interstate 68, spanning the Cumberland-Green Ridge section in , opened to traffic on August 2, 1991, completing the 113-mile route from its western terminus at in , to near . This marked the end of construction that had begun in 1965 as part of Corridor E, with the highway initially signed as before its formal Interstate designation in October 1989. Full operation immediately improved connectivity, reducing travel times substantially compared to pre-Interstate routes such as and ; for example, the drive from the area to shortened by approximately one hour due to higher design speeds and fewer intersections. (AADT) volumes surged in the early 1990s following completion, with segments recording increases from 5,000–10,000 vehicles per day in the late to 15,000–20,000 by the mid-1990s, reflecting heightened regional commerce and through-traffic integration into the national Interstate system. Signage updates to reflect the I-68 designation, along with initial enhancements, supported this transition by accommodating growing freight volumes from corridors. In the early years of operation during the , maintenance efforts addressed wear from elevated truck traffic, including resurfacing projects to handle the corridor's role in and goods transport; these adaptations ensured reliability amid traffic growth exceeding pre-completion projections by 20–30% on key stretches. By the early 2000s, operational data indicated stabilized flows with AADT stabilizing around 18,000–25,000 on eastern segments, prompting minor geometric tweaks for better truck maneuverability without major expansions.

Incidents and Safety

Notable Accidents

On May 23, 2003, a series of chain-reaction pileups involving more than 70 vehicles occurred on Interstate 68 in near Big Savage Mountain, resulting in two fatalities and over 50 injuries. The accidents were triggered by sudden dense reducing visibility in the highway's mountainous terrain, leading to multiple collisions that jammed the roadway for nearly 24 hours. Cleanup efforts were hampered by persistent and rain, underscoring the risks of weather combined with the route's elevation changes and cuts through rugged Appalachians. A similar multi-vehicle incident unfolded on December 1, 2019, in , where dense fog contributed to a 58-vehicle pileup across 29 separate collisions, hospitalizing 10 people with non-life-threatening injuries. attributed the crashes to low visibility exacerbated by and holiday traffic volume in the fog-prone hilly sections of the highway. No fatalities were reported, but the event closed portions of I-68 for hours, highlighting ongoing vulnerabilities in areas with steep grades up to 6% and limited sight lines. Tractor-trailer crashes have also been prominent due to the terrain's demands, such as the June 27, 2024, incident near , where a was killed when their collided in a section prone to speeding and descent challenges. Investigations pointed to speed as a factor amid the highway's curves and inclines, which strain heavy vehicles. Rockslides from roadside cuts have periodically created hazards, as in the November 23, 2011, event that closed a westbound between and LaVale, though direct crash causation was not documented; such geological instability ties to the route's construction through unstable slopes.

Safety Improvements and Statistics

The Department of Transportation State Highway Administration (MDOT SHA) has implemented post-construction safety enhancements on I-68, including resurfacing, milling, patching, and the addition of underdrains to improve drainage and reduce icing risks in mountainous sections prone to hydroplaning. These measures, such as the project initiated in Frostburg in areas overlapping I-68 corridors, enhance friction and structural integrity to mitigate weather-related hazards. Similarly, interchange improvements at I-68 and US 220 incorporated new markings and centerline rumble strips to provide tactile warnings against departures, a common issue in curvy terrain. In October 2025, MDOT SHA installed (ITS) signs along eastbound I-68 near , enabling real-time alerts for , incidents, and weather, which facilitate proactive driver responses and reduce secondary crash risks. strips and related countermeasures align with (FHWA) guidance, where shoulder and centerline variants have demonstrated reductions in run-off-road crashes by alerting drivers to edge encroachments before impacts with guardrails or embankments. Crash statistics for I-68 underscore the influence of topography, with West Virginia's 32-mile segment recording a historical fatal rate of 0.50 per mile, driven largely by steep grades and dynamics rather than inherent design flaws when benchmarked against flatter rural interstates. In —which encompasses much of I-68's path—792 total crashes occurred from 2018 to 2022, yielding 34 fatalities, with wildlife-vehicle collisions densest along the highway due to forested adjacency, though engineering mitigations like fencing have targeted these. Recent highlight elevated persistence on I-68, attributable to changes exceeding those on comparable routes, prompting ongoing FHWA-aligned countermeasures over regulatory emphases. DUI enforcement along I-68 benefits from saturation patrols, correlating with broader reductions in impaired incidents per NHTSA trends, though isolated metrics remain terrain-modulated. Winter efficacy is evident in the route's snow emergency designation, where plowing and de-icing operations minimize closures, as sustained by protocols despite variable storm severity.

Economic and Regional Impacts

Positive Outcomes

The completion of Interstate 68 has attracted an estimated 800 to 1,000 jobs in and along its route through and northern . In , annual employment growth accelerated from 0.5% (1976–1991) to 0.7% (1991–2000) after the highway's full opening on August 2, 1991. employment in the Maryland corridor segment shifted from a 1.7% annual decline pre-completion to 0.1% annual growth post-1991. Specific facilities illustrate this influx: the Closet Maid plant in Garrett County's Northern Garrett Industrial Park expanded to employ 700–800 workers by 2005, while American Woodmark Corp. established operations in Barton Business Park targeting 300 jobs by 2007. As Corridor E of the , I-68 yields a benefit-cost ratio of 1.32 and an of 8.29% from an viewpoint, supporting 52,355 jobs and $2.67 billion in by 2024. The highway enhances regional accessibility by linking rural to near , and near , thereby facilitating commerce and reducing economic isolation. This connectivity has boosted tourism in Garrett County through improved access to recreational areas, correlating with rises in vacation home purchases and tourism-related . Travel efficiency gains from I-68 generated $158.51 million in annual benefits by , contributing to broader gross regional product growth in the corridor.

Criticisms and Unintended Consequences

The construction of Interstate 68 incurred substantial expenses due to the challenging terrain, including steep grades and rock cuts that required advanced . The segment, spanning approximately 81 miles, cost $937 million in 1991 dollars to complete. These expenditures drew scrutiny for straining federal and budgets during the project's phased rollout from the through the , with geological obstacles contributing to delays and escalated outlays beyond initial planning in segments like the area. Eminent domain proceedings displaced residents and landowners along the corridor in the 1970s and 1980s, particularly affecting rural properties and small communities in and . While the scale was smaller than in urban interstate projects—owing to the route's passage through less densely populated areas—the acquisitions nonetheless prompted local opposition over loss of farmland and homesteads. Environmental critiques have highlighted from the highway's incision through forested ecosystems, which can impede wildlife migration and diminish in adjacent patches. Studies on road effects indicate such infrastructure reduces ecosystem functions by altering nutrient cycles and increasing , with potential applicability to I-68's alignment. However, the route's valley-following path limited wholesale compared to alternatives, and no large-scale failures have been documented. Some observers note induced sprawl as an unintended outcome, with enhanced access spurring peripheral development that pressures and alters patterns in previously isolated counties. Counterarguments emphasize the highway's role in sustaining rural viability amid , with lower per-mile operational costs than rail equivalents in comparable terrains. Ongoing has faced constraints, as state budgets prioritize extensions and repairs elsewhere, leading to critiques of deferred upkeep on aging viaducts and pavements. Regional analyses suggest these shortfalls long-term deterioration, though interstate standards have kept per-mile maintenance expenditures below those of underdeveloped alternatives.

Proposed Extensions

Westward Extension Proposals

Proposals for extending Interstate 68 westward from its current terminus near , focus on a connection to West Virginia Route 2 near in County, facilitating access to the . The Route 2/I-68 Development Authority, created in 2003 by legislation signed by Governor Cecil Underwood and supported by U.S. Senator Robert C. Byrd, leads advocacy for this project, termed the I-68 Energy Corridor. The extension would span approximately 73 miles, linking the interstate's junction with I-79 to Route 2 and potentially crossing into toward , with ultimate aims to reach Interstate 75 between Dayton and Middletown. Several route alignments have been evaluated, emphasizing terrain-following paths through the Valley to minimize construction challenges and costs. Estimated at nearly $3 billion in current dollars, the project would integrate into the National Highway System for federal funding eligibility, including potential support from the . Rationales center on establishing an "Energy Manufacturing Corridor" to enhance freight movement, leverage natural gas and petrochemical resources in the Shale Crescent USA region spanning Ohio, West Virginia, and Pennsylvania, and stimulate industrial development in northern West Virginia counties. In August and September 2025, county commissions in Marshall (August 19), Marion (August 20), and Monongalia (September 3) adopted resolutions endorsing the extension for infrastructure improvements and economic opportunities.

Current Status and Debates

As of October 2025, no construction has commenced on the proposed westward extension of Interstate 68 from its terminus at Interstate 79 near Morgantown, West Virginia, to West Virginia Route 2 near the Ohio River at Kent, a distance of approximately 73 miles. The Federal Highway Administration approved West Virginia's request for this designation in 2003, designating it as a future interstate corridor, but subsequent planning was suspended amid funding shortages and shifting priorities. Recent efforts by the West Virginia Route 2/I-68 Authority and county commissions in Monongalia, Marion, and Marshall counties have revived advocacy, with formal endorsements in August and September 2025 urging state-level support from Charleston and federal inclusion in the national highway network to facilitate funding through programs like the Infrastructure Investment and Jobs Act. Federal delays persist due to required environmental impact studies and competition for limited highway trust fund allocations, with no new route feasibility assessments completed since the early 2000s. Proponents, including local economic development officials, argue the extension—branded as the I-68 Energy Manufacturing Corridor—would drive causal by connecting the Shale Crescent USA region's , , and assets to national freight networks, potentially generating thousands of in and sectors. This view draws on historical interstate impacts, where similar corridors have sustained 800–1,000 per major segment through improved and accessibility, contrasting with regional stagnation in areas lacking such infrastructure. Bipartisan support exists at the state level in , with commissions emphasizing revenue acceleration from private investment over maintaining four-lane state routes prone to congestion and maintenance costs. Opponents highlight fiscal and ecological hurdles, estimating construction costs in the billions—potentially $5–10 billion based on comparable projects—amid federal budget constraints and mandatory reviews. Environmental concerns include impacts on trout streams, national forests, wetlands, and abandoned mine lands along potential alignments, as raised by advocacy groups since the 1980s, which could extend timelines by years and invite litigation. While empirical models for analogous extensions, such as I-73 in , project sustained job gains post-construction, critics contend these overlook net fiscal burdens from debt financing and understate ecological trade-offs without rigorous cost-benefit analyses tailored to current terrain challenges.

Exit List

[Exit List - no content]

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