Southern Colorado's #1 choice for Traffic Control Services, Sign Installation and Manufacturing!. A-1 Barricade & Sign, Inc. has been providing traffic control services and sign installation since 1976. A-1 Barricade & Sign, Inc. offers our clients a large selection of services. Everyday our crews are across Southern Colorado providing the safest traffic control services possible. From major CDOT Highway
Matt McHale — My dealings thus far have been great. Nice people helped me out with questions and got me the signage to complete my project