RSA 229:5 Classification.
Title: XX - TRANSPORTATION
Chapter: 229 - HIGHWAY SYSTEM IN THE STATE
Highways of the state shall be divided into 7 classes as follows:
I. Class I highways shall consist of all existing or proposed highways on the primary state highway system, excepting all portions of such highways within the compact sections of the cities and towns listed in RSA 229:5, V, provided that the portions of the turnpikes and the national system of interstate and defense highways within the compact sections of these cities and towns shall be class I highways.
II. Class II highways shall consist of all existing or proposed highways on the secondary state highway system, excepting all portions of such highways within the compact sections of the cities and towns listed in RSA 229:5, V.
III. Class III highways shall consist of all recreational roads leading t