Maryland Route 23

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MD Route 23
Jarrettsville Road, Norrisville Road
Maintained by MDSHA
Length: 20.46 mi[1] (32.93 km)
East end: US 1 in Bynum
Major
junctions:		 MD 24

MD 165
MD 146
MD 138
MD 439
MD 136
North end: PA 24 at the Pennsylvania border
Highways in Maryland
< MD 22 MD 24 >
State highways - Minor - Former - Turnpikes
This article is about the Maryland state highway. For the Baltimore area bus route, see MTA Maryland Route 23.

Maryland Route 23 is a state highway that runs through Harford County, Maryland. The route runs from US 1 in Hickory near Bel Air to the Pennsylvania state line, where it becomes Pennsylvania Route 24. It heads in a westward direction up until its intersection with Maryland Route 165 in Jarrettsville, where it then turns in a northerly direction for the Pennsylvania border.

The East-West highway sector of the road, from Hickory to Jarrettsville was long planned to extend into Baltimore County.

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