Delaware Yes See 621 A.2d 804 (Del. Super Ct. 1992).1 The courts have not directly upheld their constitutionality under the state constitution.
District of Columbia Yes See 629 A.2d 1 (D.C.
1993)2
Florida Yes 483 So.2d 433 (Fla. 1985)
Georgia Yes 318 S.E.2d 693 (Ga. App. Ct. 1984)
Hawaii Yes H.R.S. 286-162.5, 286-162.6
Idaho No 756 P.2d 1057 (Idaho 1988)
Illinois Yes 486 N.E.2d 880 (Ill. 1985)
Indiana Yes 500 N.E.2d 158 (Ind. 1986)
Iowa Yes 377 N.W.2d 242 (Iowa App.Ct. 1985)
Kansas Yes 673 P.2d 1174 (Kan. 1983)
Kentucky Yes 660 S.W.2d 677 (Ky. 1984)
Louisiana No 523 So.2d 1293 (La. 1988)
Maine Yes 551 A.2d 116 (Me. 1988)
Maryland Yes 479 A.2d 903 (Md. 1984)
Massachusetts Yes 521 N.E.2d 987 (Mass. 1988)
Michigan No 506 N.W.2d 209 (Mich. 1993)
Minnesota No 519 N.W.2d 183 (Minn. 1994)
Mississippi Yes The issue had not been addressed directly, but see 506 So.2d 254 (1987), holding that police may stop a vehicle which evades a roadblock. See also 150 So.2d 512 (1963), upholding license checks.
Missouri Yes 755 S.W.2d 624 (Mo. App. 1988)
Montana Yes "Safety spot checks" are authorized by Mont. Code Ann. 46-5502. The statute authorizes checks for licenses, registration, insurance, and identification3.
Nebraska Yes 383 N.W.2d 461 (Neb.1986). Checkpoints may be allowed if proper standards are followed.
Nevada Yes This issue has not been addressed directly, but Nev. Rev. Stat. Ann. 484.359 allows for administrative roadblocks. They are defined as stops conducted for lawful purposes, other than identifying the occupants or emergency.
New Hampshire Yes N.H. Rev. Stat. Ann. 265:1-a. Though originally held to be unconstitutional, the Justices subsequently issued an opinion endorsing checkpoints. They are valid under the state constitution only with superior court order.
New Jersey Yes 567 A.2d 277 (N.J. Super. 1989)
New Mexico Yes 735 P.2d 1161 (N.M. App. 1987); 908 P.2d 756 (N.M. App. 1995). They are generally valid under the state constitution, but the facts of each roadblock must be examined.
New York Yes 473 N.E.2d 1 (N.Y. 1984)
North Carolina Yes N.C. Gen. Stat. 20-16.3A.
Roadblocks that comply with this statute have been held constitutional.
North Dakota Yes 513 N.W.2d 373 (N.D. 1994)
Ohio Yes 651 N.E.2d 46 (Ohio App. 10 Dist.1994)
Oklahoma Yes 884 P.2d 1218 (Okla. App. 1994)
Oregon No 743 P.2d 711 (Or. 1987)
Pennsylvania Yes 535 A.2d 1035 (Pa. 1987)
Rhode Island No 561 A.2d 1348 (R.I. 1989)
South Carolina Yes Follows federal guidelines
outlined in Michigan v. Sitz, 486 U.S. 444(1990)
South Dakota Yes 522 N.W.2d 196 (S.D. 1994)
Tennessee Yes 1988 Tenn. Crim. App. LEXIS 725; 1995 Tenn. Crim. App. LEXIS 836. Valid under the state constitution if conducted properly.
Texas No 887 S.W.2d (Tex. Crim. App. 1994). They are not permissible in Texas under the federal constitution only because Texas has no statutory scheme authorizing them.
Utah Yes
Vermont Yes 496 A.2d 442 (Vt. 1985)
Virginia Yes 337 S.E.2d 273 (Va. 1985)
Washington No 755 P.2d 775 (Wash. 1988)
West Virginia Yes 460 S.E.2d 48 (W.Va. 1995). They are constitutional when conducted with in predetermined guidelines.
Wisconsin No Wis. Stat. 349.02(2)(a) prohibits
sobriety checkpoints.
Wyoming No Wyo. Stat. 7-17-101 et seq. 6