In 2003 consultants for the firm of Vanasse Hangen Brustlin, Inc. completed a transportation study of the Route I-93 Corridor in Andover and Methuen for the Merrimack Valley Planning Commission. The study was done on behalf of the Merrimack Valley Metropolitan Planning Organization and in cooperation with the Merrimack Valley Regional Transit Authority.

The I-93 Corridor study examined existing conditions in the corridor and projected demand for transportation facilities through the year 2025. The Route 110/113 Rotary Interchange was included in the I-93 Study and seven alternatives to improve transportation were identified.

Shown below are the seven alternatives that will be examined in more detail in the Route 110/113 Methuen Rotary study.

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Alternative #1 from I-93 Corridor - StudyRealignment of Routes 110 and 113 on the West side of I-93 eliminating the 113/110 Signal and forming a Rotary Interchange		Alternative #2 from I-93 Corridor Study - Realignment of Routes 110 and 113 and creating a second rotary to aid in traffic circulation
Alternative #3 from I-93 Corridor Study - Direct Ramp access to I-93 for both Routes 110 and 113 on the west side of I-93		Alternative #4 from I-93 Corridor Study - Create a partial diamond Interchange with direct ramp access to Route 113 and 110 on the west and Routes 110 and on the East
Alternative #5 from I-93 Corridor Study - Partial Diamond Interchange with direct On ramp access		Alternative #6 from I-93 Corridor Study - Split Diamond Interchange with four signalized intersections on parallel collector roadways to I-93
Alternative #7 from I-93 Corridor Study - Single point interchange with three signalized intersections