A major detour is coming soon to the northwest side.
Beginning in about two weeks, Shannon Road will be closed at Club Drive south to Magee Road, and it will stay closed through October.
Southbound drivers will be detoured west onto Club Drive, and then you can turn east or west on Cortaro Farms Road.
To go north on Shannon, you'll need to turn onto Club Drive from Cortaro Farms and make a left onto Shannon.
The regular signal at Shannon and Cortaro Farms/Magee will be temporarily moved to Club Drive and Cortaro Farms to help with traffic flow.
This big change allows Metro Water crews to install a 30-inch water main under Shannon.
Drivers might want to choose an alternative route or add a few minutes to commute times, at least until drivers get the hang of the detour. Golfers might want to leave a little bit earlier to make their tee times at the Omni Tucson National.
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The project is part of the second phase of the larger, ongoing project to improve the Cortaro Farms Road/Magee Road corridor from La Cañada Drive to Thornydale Road.
Cortaro Farms/Magee will be widened to include four lanes, bike lanes, sidewalks and a center median.
The $33 million project is funded by the Regional Transportation Authority and the Federal Highway Administration.
DOWN THE ROAD
• Remember, new closures and detours related to streetcar construction begin this week on University Boulevard, Second Street and Fourth Avenue. Plan ahead when traveling to the campus and downtown areas.
• You can attend an Arizona Department of Transportation public meeting to learn about a study for the possible future widening of I-10 between Tangerine and Ina roads in Marana. The meeting is planned for 5:30 p.m. Wednesday at Coyote Trail Elementary School, 8000 N. Silverbell Road.
• ADOT is starting a project this week to replace more than 2,000 signs on Interstate 19 between Tucson and Nogales.
The old signs - including speed-limit signs and street-name signs among others - are outdated and sun-damaged, and they'll be replaced with ones that are brighter, larger and easier to read, according to an ADOT announcement.
The federally funded $1.6 million project will wrap up by the end of the year.
ROAD Q
Q: Now that the primary election is over, when must the losers remove their political signs from the public right of way?" asks Barry Austin. "If the signs are not removed, who do we call to get them removed?"
A: They have 15 days after the primary election to remove their signs, according to a new state law.
But you can expect to see somebody's signs pretty much all year. The new rules allow candidates to post signs 60 days before a primary. So the special primary election is behind us, but we also have a special general election in June, a regular primary in August and the regular election in November.
To complain about signs in city limits, call 791-5843.
Send your Road Q questions by email to roadrunner@azstarnet.com or to 4850 S. Park Ave., Tucson, AZ 85714. Please include first and last names.

