page_title: U.S. Route 40 in Maryland
section_title: Howard County
hierarchical_section_title: U.S. Route 40 in Maryland / Route description / Howard County
caption_attribution_description: English: View east along Interstate 70 and U.S. Route 40 (Baltimore National Pike) just east of Exit 73 (Maryland State Route 94, Woodbine, Lisbon) in Lisbon, Howard County, Maryland
context_page_description: U.S. Route 40 in the U.S. state of Maryland runs from Garrett County in western Maryland to Cecil County in the state's northeastern corner. With a total length of 221 miles, it is the longest numbered highway in Maryland. Almost half of the road overlaps or parallels with Interstate 68 or I-70, while the old alignment is generally known as US 40 Alternate, US 40 Scenic, or Maryland Route 144. West of Baltimore, in the Piedmont and
  Appalachian Mountains / Blue Ridge region of the Western Maryland panhandle of the small state, the portions where it does not overlap an Interstate highway are mostly two-lane roads. The portion northeast of Baltimore going toward Wilmington in northern Delaware and Philadelphia in southeastern Pennsylvania is a four-lane divided highway, known as the Pulaski Highway. This section crosses the Susquehanna River at the north end of the Chesapeake Bay on the Thomas J. Hatem Memorial Bridge.
context_section_description: Upon crossing the South Branch Patapsco River, I-70/US 40 enters Howard County and continues east-southeast along the Baltimore National Pike freeway through wooded areas with some fields and development, with Old Frederick Road parallel to the north and MD 144 parallel to the south. Farther east, Old Frederick Road and MD 144 continue parallel a further distance from the freeway before the freeway comes to a diamond interchange with MD 94 in Lisbon. Past this interchange, the road continues through rural land with some development and comes to the exit for MD 97 in Cooksville. I-70/US 40 runs east through a mix of farmland and woodland with some residential development, coming to a westbound weigh station. The freeway passes north of the Howard County Fairgrounds before it reaches a diamond interchange with MD 32 in West Friendship. Past this interchange, the road continues east through rural land and homes before US 40 splits from I-70 at an eastbound exit and westbound entrance.
  Upon splitting from I-70, US 40 continues southeast along Baltimore National Pike, a four-lane at-grade divided highway. The road passes through wooded areas with some residential development as it heads into Ellicott City and comes to an intersection with the eastern terminus of the section of MD 144 running between Mount Airy and Ellicott City. At this point, the road curves east and passes businesses, with Frederick Road splitting to the southeast, before it crosses the Little Patuxent River in a wooded area and runs near suburban residential neighborhoods. The route widens to six lanes and passes through a shopping district with numerous restaurants as it comes to an interchange with the US 29 freeway. Past this interchange, US 40 turns northeast and passes more businesses, crossing Rogers Avenue before the eastbound side becomes paralleled by a service road that is designated MD 984. The section of US 40 through Ellicott City is designated "Korean Way" and contains several Korean American businesses. The road narrows to four lanes and continues northeast through wooded residential neighborhoods. The route heads into forested areas in Patapsco Valley State Park and comes to a right-in/right-out access point to the Hollofield Area of the state park before it turns southeast and passes over the Patapsco River valley on a bridge.
caption: View east along I-70/US 40 (Baltimore National Pike) near Lisbon
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