Portable Temporary Rumble Strip Array

What’s behind $100

A free account opens the full build-up of this number, down to the agency documents it came from.

• Middle-half range

  The p25–p75 band of winning bids — where most jobs actually land.

• Price distribution

  All 796 bids charted, so you can see clusters and outliers.

• 796 observations

  Agency, county, letting date, quantity and the price as printed.

• 791 public bid tabulations

  Every row links to the agency’s own document. Check any price yourself.

Email only — no card. Search and medians stay open without an account.