An imaging device comprising: a first unit including a first transfer transistor (TR12-1), a second transfer transistor (TR12-2) and a first color filter (Gb) disposed at a light-incident side of the first transfer transistor and the second transfer transistor; a second unit including a third transfer transistor (TR12-5), a fourth transfer (TR12-6) transistor and a second color filter disposed at a light-incident side of the third transfer transistor and the fourth transfer transistor; a third unit including a fifth transfer transistor (TR12-1), a sixth transfer transistor (TR12-2) and a third color filter (Gb) disposed at a light-incident side of the fifth transfer transistor and the sixth transfer transistor; a fourth unit including a seventh transfer transistor (TR12-5), an eighth transfer transistor (TR12-6) and a fourth color filter disposed at a light-incident side of the seventh transfer transistor and the eighth transfer transistor, wherein the first transfer transistor (TR12-1), the second transfer transistor (TR12-2), the third transfer transistor (TR12-5), the fourth transfer transistor (TR12-6), the fifth transfer transistor (TR12-1), the sixth transfer transistor (TR12-2), the seventh transfer transistor (TR12-5) and the eighth transfer transistor (TR12-6) are arranged in order along a horizontal direction along a same pixel row; a first transfer control signal line (Gb_L) extending along the horizontal direction and electrically connected to a gate of the first transfer transistor (TR12-1) and a gate of the fifth transfer transistor (TR12-1); a second transfer control signal line (Gb_R) extending along the horizontal direction and electrically connected to a gate of the second transfer transistor (TR12-2) and a gate of the sixth transfer transistor (TR12-2); a third transfer control signal line (B1_L) extending along the horizontal direction and electrically connected to a gate of the third transfer transistor (TR12-5); a fourth transfer control signal line (B1_R) extending along the horizontal direction and electrically connected to a gate of the fourth transfer transistor (TR12-6); a fifth transfer control signal line (B2_L) extending along the horizontal direction and electrically connected to a gate of the seventh transfer transistor (TR12-5); and a sixth transfer control signal line (B2_R) extending along the horizontal direction and electrically connected to a gate of the eighth transfer transistor (TR12-6). a first unit including a first transfer transistor (TR12-1), a second transfer transistor (TR12-2) and a first color filter (Gb) disposed at a light-incident side of the first transfer transistor and the second transfer transistor; a second unit including a third transfer transistor (TR12-5), a fourth transfer (TR12-6) transistor and a second color filter disposed at a light-incident side of the third transfer transistor and the fourth transfer transistor; a third unit including a fifth transfer transistor (TR12-1), a sixth transfer transistor (TR12-2) and a third color filter (Gb) disposed at a light-incident side of the fifth transfer transistor and the sixth transfer transistor; a fourth unit including a seventh transfer transistor (TR12-5), an eighth transfer transistor (TR12-6) and a fourth color filter disposed at a light-incident side of the seventh transfer transistor and the eighth transfer transistor, wherein the first transfer transistor (TR12-1), the second transfer transistor (TR12-2), the third transfer transistor (TR12-5), the fourth transfer transistor (TR12-6), the fifth transfer transistor (TR12-1), the sixth transfer transistor (TR12-2), the seventh transfer transistor (TR12-5) and the eighth transfer transistor (TR12-6) are arranged in order along a horizontal direction along a same pixel row; a first transfer control signal line (Gb_L) extending along the horizontal direction and electrically connected to a gate of the first transfer transistor (TR12-1) and a gate of the fifth transfer transistor (TR12-1); a second transfer control signal line (Gb_R) extending along the horizontal direction and electrically connected to a gate of the second transfer transistor (TR12-2) and a gate of the sixth transfer transistor (TR12-2); a third transfer control signal line (B1_L) extending along the horizontal direction and electrically connected to a gate of the third transfer transistor (TR12-5); a fourth transfer control signal line (B1_R) extending along the horizontal direction and electrically connected to a gate of the fourth transfer transistor (TR12-6); a fifth transfer control signal line (B2_L) extending along the horizontal direction and electrically connected to a gate of the seventh transfer transistor (TR12-5); and a sixth transfer control signal line (B2_R) extending along the horizontal direction and electrically connected to a gate of the eighth transfer transistor (TR12-6).