Common Ground

Common Ground · History · the record

What was built, when.

Every located project stands where it is, and each documented date sits at its height.

337 of 651 upgrades documenting both a required date and an actual in-service date entered service before the required date.

29 upgrades, 3 or more years early13 upgrades, 2–2.5 yr early34 upgrades, 1.5–2 yr early51 upgrades, 1–1.5 yr early45 upgrades, 0.5–1 yr early165 upgrades, 0–0.5 yr early93 upgrades, 0–0.5 yr late80 upgrades, 0.5–1 yr late30 upgrades, 1–1.5 yr late30 upgrades, 1.5–2 yr late22 upgrades, 2–2.5 yr late59 upgrades, 3 or more years lateearlyrequired datelate
Median −2 days · half-year bars
Data and sources · 5,340 located projects · 5,470 events

Window 2004–2026 · analysis date Sep 27, 2026
National dataset 5c3178a3d4958979e9ef3923ac8ced1ff9d088ff · Legacy filings unavailable.

No contract or award evidence in this dataset. That is not evidence no contract existed.

Legend
  • Actual in-service date, documented
  • Plan date: projected, required, revised, filed
  • Other documented event
  • Plan → actual, two documented dates
  • Year plane · above it, ghosted
  • Color: the project's state
  • Confirmed location 563 Owner-published 75 Tentative location 2,184

Drag to pan · right-drag or ⌃-drag to tilt · ↑ ↓ step through projects · Esc clears

Ledger2004–2026 actual plan other
Opening the record…