The function of bridge railing is to contain and smoothly redirect errant vehicles on the bridge. Many bridge rails could conceivably do this, but the safety of the driver and redirection of the vehicle must be taken into account.

Section 5-1.13, “Subcontracting,” of the Standard Specifications, requires that the prime contractor perform at least 30 percent of work using the contractor's own organization unless a different percentage is specified in the special provisions.

The Basic Engineering Estimating System (BEES) estimate (final engineer's cost estimate) is locked after a draft contract is ready for advertisement once Ready to List (RTL) requirements are met.

The minimum width of a sidewalk should be 8 feet between a curb and a building when in urban and rural main street place types. For all other locations the minimum width of sidewalk should be 6 feet when contiguous to a curb or 5 feet when separated by a planting strip. Sidewalk width does not include curbs.