U.S. Route 29 south

Interstate 70 westbound approaches exit 87 for U.S. Route 29 in the Ellicott City area of Howard County, Maryland. US 29's northern terminus is officially just to the north at Maryland Route 99. Southbound MD 29 is accessible via a left exit ramp from I-70, and its control cities are Columbia and Washington, DC. Photo taken 08-05-2016.

The exit 87A gore sign on I-70. Photo taken 08-05-2016.

Eastbound I-70 crosses over the US 29 ramp here. Photo taken 08-05-2016.

The northbound carriageway of US 29 crosses shortly afterward. Photo taken 08-05-2016.

Finally, the ramp from eastbound I-70 to southbound US 29 merges in. Photo taken 08-05-2016.

A US 29 reassurance shield sits on the far right. US 29 from here to Fulton is an expressway with a few at-grade intersections which does not meet Interstate standards. Photo taken 08-05-2016.

The first exit, numbered 24 based on mileage, serves U.S. Route 40 and Ellicott City, the seat of Howard County. Photo taken 08-05-2016.

Exit 24B for US 40 west has no control city, as it heads a few miles west back to I-70; it does however serve the Turf Valley golf resort and the Font Hill section of Ellicott City. Photo taken 08-05-2016.

Exit 24A for US 40 east into Ellicott City proper branches off half a mile after exit 24B. Photo taken 08-05-2016.

The exit 24A overhead sign. Photo taken 08-05-2016.

The next three exits are listed by this sign. Maryland Route 108 is the first that directly serves any section of Columbia. Photo taken 08-05-2016.

The highway continues south, with some trees lining it. Photo taken 08-05-2016.

Exit 22, Maryland Route 100 east toward Glen Burnie in nearby Anne Arundel County, is coming up, and is a left exit. Photo taken 08-05-2016.

A gantry with two additional exit signs sits ahead. Photo taken 08-05-2016.

Just prior to the MD 100 ramp sits exit 23 for Maryland Route 103, known locally as St. John's Lane. Photo taken 08-05-2016.