Pennsylvania Route 343 highway remained intact for another seven years, and in 1970, PA 343 was realigned for the final time, this time onto its current alignment. The northern terminus is now at a partial interchange with I-78. Pennsylvania Route 343 Pennsylvania Route 343 (PA 343) is an route between Lebanon and Fredericksburg in Lebanon County, Pennsylvania. It begins at PA 72 and ends at Exit 6 of Interstate 78 (I-78). PA 343 heads mostly through urbanized areas near Lebanon before continuing into rural areas further north. There is a concurrency with U.S. Route 22 (US 22) near the northern terminus. PA 343
Maryland Route 343 the southern end of Dorchester Avenue. MD 343 continues east past Crusader Road to the highway's eastern terminus at US 50 (Sunburst Highway). Traffic on eastbound MD 343 must use Crusader Avenue to access westbound US 50. MD 343 is a part of the National Highway System as a principal arterial within the city of Cambridge. MD 343 was paved from the western city limit of Cambridge to Horns Point Road by 1921. The state highway was paved within Cambridge and extended west to Town Point Road by 1923. The state highway was extended to Lloyds in 1928 and was