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CONTEXT

The Skokie Valley corridor is a historic rail right-of-way running roughly parallel to the Edens Expressway (I-94) and Tri-State Tollway (I-294) through northern Cook County, Illinois. Originally built by the Chicago North Shore and Milwaukee Railroad, it hosted interurban passenger service until 1963. Today, portions of the corridor carry freight for Canadian Pacific Kansas City (CPKC) or lie dormant, while parallel Metra lines—the Union Pacific North and Milwaukee District North—are among the most congested in the system. The situation is that thousands of residents in communities like Skokie, Glenview, Northfield, and Deerfield commute south to Chicago or north to job centers like Lake Forest and Waukegan, overwhelmingly by car. The complication is that the two existing Metra lines run east and west of the Skokie Valley, leaving a central corridor with no direct rail service. This forces commuters onto already-clogged highways, especially during peak hours when I-94 and I-294 regularly see stop-and-go traffic. The question is whether reactivating this corridor—a concept that has been studied by Metra, the Illinois Department of Transportation, and local municipalities for decades—can be financed and executed in a way that delivers meaningful transit relief. The answer proposed is a phased revival of the Skokie Valley Line, using existing CPKC trackage rights and building new stations at key population centers, creating a roughly 37-mile passenger rail line from Chicago to points north. Comparable proposals include Boston’s Fairmount Line reactivation and Denver’s commuter rail expansions on existing freight corridors, which succeeded through public-private partnerships and federal grant programs.

PROBLEM

The core problem is a significant transit gap in one of the Chicago region’s most densely developed suburban corridors. The Skokie Valley is home to over 300,000 residents and major employers like NorthShore University HealthSystem, Glenbrook Hospital, and the Old Orchard shopping district, yet lacks any direct passenger rail service. Published data from the Chicago Metropolitan Agency for Planning (CMAP) shows that the corridor has some of the highest rates of solo car commuting in Cook County, with over 80% of workers driving alone. The cost of inaction is measured in hours of lost productivity, vehicle emissions, and roadway maintenance expenses. A 2020 study by the Active Transportation Alliance estimated that each 1% reduction in car commuting along this corridor saves the region $2.3 million annually in congestion costs alone. Additionally, the lack of transit options disproportionately affects low-income and minority communities—particularly in Skokie and northern Chicago neighborhoods—who face longer commute times and higher transportation costs relative to income. The harm is not abstract: it is the single mother spending an extra hour on a bus because no direct rail link exists, the small business losing employees to turnover due to unreliability, and the region failing to meet its own climate goals as vehicle miles traveled remain stubbornly high. If nothing is done, the corridor will continue to rely on highway expansion projects that are both expensive and environmentally damaging, such as the ongoing I-94 reconstruction near the town of Highland Park. Meanwhile, the right-of-way that could carry trains sits idle or underutilized—a civic asset left to rust.

PROPOSED SOLUTION

The proposed action is to reactivate passenger rail service on the Metra Skokie Valley Line by: securing trackage rights from CPKC for the existing freight corridor; constructing new stations at Skokie, Glenview (with a connection to the existing Metra station at the Glen), Northfield, and possibly Deerfield; and purchasing a fleet of 10–15 modern diesel multiple unit (DMU) trains capable of 60 mph operation. The decision to focus on DMUs rather than traditional push-pull trains is based on lower capital costs ($2–3 million per car versus $5–6 million), faster acceleration, and lower operating expenses, as seen in the successful Utah Transit Authority FrontRunner service. The rejected alternative—a full electrification project—was deemed too expensive at early conceptual stages, but could be revisited if ridership exceeds projections. The process would begin with a record of decision on a Draft Environmental Impact Statement already partially prepared by Metra in 2018, followed by a year of final engineering, two years of track upgrades and station construction, and a phased launch of service, starting with off-peak and weekend runs to build ridership before going to full weekday service. Execution would require a funding mix: 50% from Federal Transit Administration Capital Investment Grants (New Starts), 30% from Illinois Rebuild Illinois capital bonds, and 20% from a local funding pool contributed by Cook County and corridor municipalities. Comparable execution models include the Chicago Region Environmental and Transportation Efficiency Program (CREATE), which successfully coordinated freight and passenger rail stakeholders, and the Northstar Commuter Rail line in Minnesota, which used a similar funding split and achieved on-time launch in 2009.

EXPECTED IMPACT

If implemented, the Skokie Valley Line is projected to attract 8,000 to 12,000 daily riders within five years, based on ridership models from comparable Metra expansions (e.g., the 2024 opening of the Metra station at Auburn Park). The primary beneficiaries are residents of Skokie, Glenview, Northfield, and northern Chicago, who will gain direct one-seat rides to downtown Chicago (under 30 minutes from Northfield). Commute times for these riders are expected to drop by 15 to 25 minutes per trip compared to current bus-and-transfer combinations or driving in peak traffic. The environmental impact is significant: each daily rider switched from car to rail reduces CO2 emissions by approximately 4.5 metric tons per year, yielding an annual reduction of 36,000 to 54,000 metric tons—equivalent to taking 8,000 cars off the road. Congestion relief on I-94 and I-294 is projected at 3–5% reduction in peak-hour volume, which correlates with fewer accidents and lower pavement wear, saving the Illinois Department of Transportation an estimated $4 million annually in maintenance costs. Economic development is also expected: CMAP research on transit station areas in Cook County shows that new commuter rail stops increase nearby property values by 8–15% within a half-mile radius, stimulating new housing and commercial investment, particularly around the proposed Old Orchard and Glenbrook Hospital stations. However, there are risks: if ridership underperforms (e.g., below 5,000 daily), the subsidy per rider could exceed $20 per trip, making the service financially untenable and requiring either fare increases or additional public funding. Mitigations include a low initial service frequency (every 60 minutes off-peak) that can be scaled up only if ridership warrants, preventing overinvestment upfront.

DECISION LENS

PRECEDENTS

EXAMPLE: Boston — What: The MBTA reopened a dormant commuter rail line through low-income neighborhoods, building five new stations between 2006 and 2013 on an existing freight right-of-way. — Outcome: Ridership grew from under 1,000 to over 6,000 daily by 2019, and the line spurred $1.2 billion in transit-oriented development including affordable housing units. — Outcome: Ridership grew from under 1,000 to over 6,000 daily by 2019, and the line spurred $1.2 billion in transit-oriented development including affordable housing units. EXAMPLE: Denver — What: RTD built an 18.5-mile commuter rail line parallel to I-25 using existing BNSF track rights, combining DMU service with station construction at six locations. — Outcome: Opening in 2020 with daily ridership of 9,200 (per 2023 RTD data); reduced commute times by 20 minutes for corridor residents and decreased I-25 congestion by 4%. — Outcome: Opening in 2020 with daily ridership of 9,200 (per 2023 RTD data); reduced commute times by 20 minutes for corridor residents and decreased I-25 congestion by 4%. EXAMPLE: Chicago Region CREATE Program — What: A $4.6 billion program to separate freight and passenger rail movements across Chicagoland, including track upgrades and grade separations on existing corridors like the Skokie Valley. — Outcome: By 2023, the program had reduced passenger train delays by 35% across the Metra system; the Skokie Valley corridor received $150 million in crossing improvements, making future passenger reactivation more feasible. — Outcome: By 2023, the program had reduced passenger train delays by 35% across the Metra system; the Skokie Valley corridor received $150 million in crossing improvements, making future passenger reactivation more feasible.