The section-line grid: how the farm roads were laid

1830s TO THE PRESENT

The roads of the frame were not designed; they were inherited from the survey. The federal rectangular survey that the Land leg reads whole ruled Clay and Harris townships into one-mile sections in the years around 1830, and the county's road system grew up on the section lines: a road on (nearly) every line, a mile apart each way, so that the modern driver's grid — Adams, Douglas, Cleveland, Brick marching north; Bittersweet, Currant, Elm, Ash, Gumwood, Hickory marching east — is the survey's own geometry still in use. Two diagonals cut the grid, and both are older than it in spirit if not in date: State Road 23, which follows the older South Bend–Edwardsburg road's slant across the sections, and the Grand Trunk's line, which took the straight prairie diagonal a railroad prefers. Everything else in the frame runs square, and the exceptions in the modern record — the Toll Road's engineered curve across the northern tier, the subdivisions' internal streets, Gumwood Road's jogs at the state line — read as exceptions against the grid's rule.

The grid's working history is the county's: roads opened by petition and road viewers in the farm decades, worked by statute labor, then graveled, then — as the county paved its arterials in the automobile decades — hard-surfaced in the order of their traffic, the state taking State Road 23 in 1930 and the county keeping the rest. The record reached for this section does not support a road-by-road paving chronology inside the frame, and none is printed; the county highway department's annual reports are the settling source, named in the gaps. What the grid carried is documented at the frame's strength: a farm township's produce to the Granger station siding and to Mishawaka, school buses of the township schools and then of Penn-Harris-Madison, the rural mail routes out of the Granger post office (the postal frame is the Story of Granger section's; the routes themselves are carried here at pointer size), and from the 1960s the subdivision traffic that turned section-line lanes into the county's suburban arterials — the transformation the widening-era entry below reads from the programmed project record. The snow record is of the same class: township and then county plows on the grid, with the two townships' roads passing to the St. Joseph County Highway Department's system, the arrangement that stands today.

Sources: the survey and township frame as read whole in this build's Land leg (the 1827–1832 township surveys; the section grid); MACOG, Transportation Improvement Program FY2012–FY2015 (the modern county arterial record for this ground, worked in the widening-era entry); INDOT, Reference Post Book (July 2016) for the state-road geometry.