PHILLIPSBURG NJ TO FRENCHTOWN NJ  (north to south)

Route 519 (mostly inland)

Phillipsburg NJ

Bridge to Easton PA (Routes 22 and 57; toll)
Bridge to Easton PA (Northamotn ST. or "Free" Bridge; no toll)

Morris Canal National Historic Landmark
formerly ran from Phillipsburg to Jersey City NJ

Alpha NJ

Bridge to Riegelsville PA from the area of the Musconetcong River NJ (no toll)

Milford NJ

Bridge to Upper Black Eddy PA (no toll)

At Milford NJ you have three options for continuing southward to Frenchtown NJ:
ϑ stay on Route 519 inland 5 miles through Mt. Pleasant and Everittstown, both of which have historic districts of 30+ buildings, and turn right onto Route 513 to reach Frenchtown NJ in another 3 miles
ϑ at Milford, cross the free bridge to Upper Black Eddy PA, take Route 32 south about 3 miles to Uhlerstown PA, and cross back on the free bridge to Frenchtown NJ
ϑ at Milford NJ, continue straight onto a small paved road along the river that will reach Frenchtown NJ in about 3 miles.

Route 29

Frenchtown NJ
historic district of 400+ buildings
(virtual visitor center)

Bridge to Uhlerstown PA (no toll)

At Frenchtown NJ you have three options for continuing northward to Milford NJ:
ϑ take Route 519 inland 5 miles through Everittstown and Mt. Pleasant, both of which have historic districts of 30+ buildings, and turn left onto Route 519 to reach Milford NJ in another 3 miles
ϑ at Frenchtown NJ, cross the free bridge to Uhlerstown PA, take Route 32 north about 3 miles to Upper Black Eddy PA, and cross back on the free bridge to Milford NJ
ϑ at Frenchtown NJ, continue straight onto a small paved road along the river that will reach Milford NJ in about 3 miles.