Colorado Revised Statutes

Colo. Rev. Stat. § 42-4-901 (2026)

Required position and method of turning

✓ current as of July 2026
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(1) The driver of a motor vehicle intending to turn shall do so as follows:

(a) Right turns. Both the approach for a right turn and a right turn shall be made as close as practicable to the right-hand curb or edge of the roadway.

(b) Left turns. The driver of a vehicle intending to turn left shall approach the turn in the extreme left-hand lane lawfully available to traffic moving in the direction of travel of such vehicle. Whenever practicable, the left turn shall be made to the left of the center of the intersection so as to leave the intersection or other location in the extreme left-hand lane lawfully available to traffic moving in the same direction as such vehicle on the roadway being entered.

(c) Two-way left-turn lanes. Where a special lane for making left turns by drivers proceeding in opposite directions has been indicated by official traffic control devices in the manner prescribed in the state traffic control manual, a left turn shall not be made from any other lane, and a vehicle shall not be driven in said special lane except when preparing for or making a left turn from or into the roadway or when preparing for or making a U-turn when otherwise permitted by law.

(2) The department of transportation and local authorities in their respective jurisdictions may cause official traffic control devices to be placed and thereby require and direct that a different course from that specified in this section be traveled by turning vehicles, and, when such devices are so placed, no driver shall turn a vehicle other than as directed and required by such devices. In the case of streets which are a part of the state highway system, the local regulation shall be subject to the approval of the department of transportation as provided in section 43-2-135 (1)(g), C.R.S.

(3) Any person who violates any provision of this section commits a class A traffic infraction.

Source: L. 94: Entire title amended with relocations, p. 2356, § 1, effective January 1, 1995.

Editor's note: This section is similar to former § 42-4-801 as it existed prior to 1994, and the former § 42-4-901 was relocated to § 42-4-1001.

Notes of Decisions
Cited in 7 cases, 1984–2019 · leading case: People v. Burnett, 2019 CO 2 (Colo. 2019).
People v. Burnett, 2019 CO 2 (Colo. 2019). · cites it 4× “¶34 Subsection (1) explains when a signal must be given, describing situations such as turning at an intersection or onto a private road or turning from a direct course or moving a vehicle left or right: No person shall turn a vehicle at an intersection unless the vehicle is in…”
United States v. Nicholson, 721 F.3d 1236 (10th Cir. 2013). · cites it 4× “, Colo. Rev. Stat. Ann. § 42-4-901 (b) (“Whenever practicable, the left turn shall be made to the left of the center of the intersection so as to leave the intersection or other (continued.”
People v. Vaughn, 2014 CO 71 (Colo. 2014). · cites it 2× “" § 42-4-901(1)(b), C.R.S. (2014). 3 . Vaughn testified that the DMV's database and hotline indicated that Vaughn's license was suspended due to a clerical error.”
Trione v. Mike Wallen Stand., Inc., 902 P.2d 454 (Colo. Ct. App. 1995). · cites it 3× “Section 42-4-901, C.R.S. (1993 Repl.Vol. 17).”
People v. Black, 698 P.2d 766 (Colo. 1984). “§ 42-4-901(1), 17 C.R.S. (1984). 4 . U.S.”
Wojdacz v. Denver City Police Dep't (D. Colo. 2019). · cites it 4× “) See also Colo. Rev. Stat. § 42-4-901 (1)(b) (“Whenever practicable, the left turn shall be made to the left of the center of the intersection so as to leave the intersection or other location in the extreme left-hand lane lawfully available to traffic moving in the same…”
United States v. Nicholson (10th Cir. 2013). · cites it 2× “, Colo. Rev. Stat. Ann. § 42-4-901 (b) (“Whenever practicable, the left turn shall be made to the left of the center of the intersection so as to leave the intersection or other (continued.”
— Colo. Rev. Stat. § 42-4-901(1) — 1 case
People v. Black, 698 P.2d 766 (Colo. 1984). “§ 42-4-901(1), 17 C.R.S. (1984). 4 . U.S.”
— Colo. Rev. Stat. § 42-4-901(1)(b) — 1 case
People v. Vaughn, 2014 CO 71 (Colo. 2014). “" § 42-4-901(1)(b), C.R.S. (2014). 3 . Vaughn testified that the DMV's database and hotline indicated that Vaughn's license was suspended due to a clerical error.”
— Colo. Rev. Stat. § 42-4-901(b) — 1 case
United States v. Nicholson, 721 F.3d 1236 (10th Cir. 2013). “, Colo. Rev. Stat. Ann. § 42-4-901 (b) (“Whenever practicable, the left turn shall be made to the left of the center of the intersection so as to leave the intersection or other (continued.”
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