Despite an eye-popping figure topping the Maryland Department of Transportation’s latest spending plan, officials are warning that rising costs will delay some construction projects in the coming years.

On Tuesday, MDOT released a draft version of the Consolidated Transportation Program, which charts a vision for spending $21.9 billion over six years on the state’s roads, bridges, public transportation and more.

The massive document, which is updated each year and wrapped into the governor’s budget in the spring, details how the Maryland Transit Administration, the State Highway Administration and other arms of MDOT spend state and federal funds.

Officials say this year’s plan keeps all major ongoing projects around the state moving, including rebuilding the Francis Scott Key Bridge, finalizing the Purple Line light rail in Montgomery and Prince George’s counties, and upgrading Interstates 695 and 81.

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However, a squeeze on the world’s oil supply resulting from the U.S. and Israel’s war against Iran is compounding other inflationary pressures that have troubled the industry for years, driving up project costs even further.

State officials said that some petroleum-based products the department relies on, like asphalt and diesel fuel, have risen in price by as much as 38% over the past six months.

As a result, some smaller construction projects that have yet to break ground will be deferred for a year or two as the department covers increases for certain “must fund” projects, Maryland Transportation Secretary Kathryn Thomson said.

In a roundtable interview Monday — before the draft document was made publicly available — Thomson called the proposal a “balanced plan” focused on three core pillars: safety, maintaining existing equipment and systems, and investing in infrastructure that can “springboard” economic development.

The document went live online here at noon Tuesday.

This story will be updated.