Two collisions were under investigation by Tucson police by 7:25 a.m. Tuesday.
• In the 7200 block of East Rosewood Street, near Kolb Road and Speedway Boulevard, a collision with unspecified injuries, reported at 7:04 a.m.
• East Grant Road and North Beverly Avenue, a non-injury collision, reported at 6:49 a.m.
The Tucson police photo radar van and its crew will be assigned to watch for speeders at the following places and times:
• East Stella Road near South Clinton Avenue, near Reynolds Elementary School, from 6 to 9:30 a.m.
• East Golf Links Road between South Camino Seco and South Kolb Road, from 10 a.m. to 12:30 p.m.
• The 2700 block of South La Cholla Boulevard near Oyama Elementary School, from 1:30 to 5 p.m.
• West Starr Pass Boulevard near South Mission Road, from 5:30 to 9 p.m.