NH HB1785

Requires all Tier I highways in New Hampshire, excluding Interstate 393, to convert to mileage-based exit numbering that conforms to the Federal Highway Administration's Manual on Uniform Traffic Control Devices

Department of Transportation has until 2038 to complete the replacement of existing exit numbering

Estimated total cost of $2,406,500, with $132,500 for preliminary engineering in FY 2031 and $2,274,000 for construction in FY 2033

Affects 142 interchanges across Interstate 93, Interstate 89, Interstate 293, Interstate 95, F.E. Everett Turnpike, Spaulding Turnpike, NH Route 101, and Raymond Wieczorek Drive

Approximately 35% of costs would be funded through Turnpike Funds with the remainder through Federal Highway Administration funds